1 00:00:06,090 --> 00:00:07,592 [plucked string music playing] 2 00:00:08,134 --> 00:00:09,802 [thrum of insects getting louder] 3 00:00:13,639 --> 00:00:15,308 [music becomes solemn] 4 00:00:19,979 --> 00:00:21,189 [grunting] 5 00:00:23,941 --> 00:00:26,819 When scientists first arrived at Ngogo... 6 00:00:28,613 --> 00:00:30,073 [music intensifies] 7 00:00:31,949 --> 00:00:34,744 ...they discovered an advanced chimpanzee society. 8 00:00:47,465 --> 00:00:49,926 Over the decades, that society 9 00:00:50,760 --> 00:00:53,721 grew to become the biggest chimp group 10 00:00:54,263 --> 00:00:55,473 ever known. 11 00:00:56,682 --> 00:00:58,184 They expanded their territory, 12 00:00:59,852 --> 00:01:01,354 dominated the forest, 13 00:01:02,647 --> 00:01:05,191 and built an empire. 14 00:01:08,402 --> 00:01:09,779 [hooting, whooping] 15 00:01:14,075 --> 00:01:16,077 But rivalries developed, 16 00:01:17,537 --> 00:01:19,956 and the empire divided. 17 00:01:20,456 --> 00:01:21,582 [music darkens] 18 00:01:23,960 --> 00:01:27,964 A small but powerful band of males broke away to form their own group. 19 00:01:29,924 --> 00:01:30,967 They became... 20 00:01:32,885 --> 00:01:34,011 the westerners. 21 00:01:35,847 --> 00:01:38,266 Chimps that lived together for years... 22 00:01:38,266 --> 00:01:39,684 [chimp bark nearby] 23 00:01:39,684 --> 00:01:41,269 ...became enemies. 24 00:01:42,687 --> 00:01:43,938 [music darkens] 25 00:01:49,777 --> 00:01:51,028 And now... 26 00:01:53,030 --> 00:01:54,031 their rivalry 27 00:01:54,866 --> 00:01:56,159 has turned deadly. 28 00:01:56,159 --> 00:01:58,244 [music intensifies, fades out] 29 00:02:02,123 --> 00:02:04,709 [somber tone getting rapidly louder] 30 00:02:04,709 --> 00:02:06,961 [solemn drumbeat reverberates] 31 00:02:06,961 --> 00:02:08,045 [bird calling] 32 00:02:13,551 --> 00:02:15,178 [thrumming of insects] 33 00:02:19,765 --> 00:02:21,434 [tense music fading in] 34 00:02:26,606 --> 00:02:28,399 It's still just a few days 35 00:02:28,983 --> 00:02:30,818 since the central chimps 36 00:02:31,861 --> 00:02:33,237 found Pork Pie dead. 37 00:02:33,738 --> 00:02:35,114 [music intensifies] 38 00:02:40,119 --> 00:02:42,830 It's not known what chimps understand about death... 39 00:02:45,333 --> 00:02:46,500 or whether they grieve. 40 00:02:51,172 --> 00:02:54,759 But the loss of Pork Pie has clearly had an impact. 41 00:02:57,428 --> 00:02:58,471 [hoots softly] 42 00:03:01,098 --> 00:03:02,642 For the central chimps, 43 00:03:02,642 --> 00:03:05,603 the world has become more dangerous. 44 00:03:12,777 --> 00:03:14,779 [music gradually fading out] 45 00:03:42,848 --> 00:03:45,476 Christine's baby is now nine months old. 46 00:03:50,940 --> 00:03:52,149 When she first arrived, 47 00:03:53,067 --> 00:03:55,903 her sister, Nadine, was neglected. 48 00:03:58,447 --> 00:03:59,532 [baby grunting] 49 00:03:59,532 --> 00:04:00,950 Now she's a little older, 50 00:04:02,618 --> 00:04:04,787 and her personality is beginning to develop... 51 00:04:06,956 --> 00:04:09,292 she's begun to add to Nadine's life. 52 00:04:10,668 --> 00:04:12,670 [gentle optimistic music playing] 53 00:04:13,713 --> 00:04:14,964 They're not only sisters. 54 00:04:16,757 --> 00:04:18,175 They're best friends. 55 00:04:18,175 --> 00:04:19,760 [grunting playfully] 56 00:04:38,821 --> 00:04:40,823 [loud thrumming of insects] 57 00:04:43,868 --> 00:04:46,203 Ngogo is never richer in food 58 00:04:46,203 --> 00:04:49,206 than when Chrysophyllum is in fruit. 59 00:04:50,458 --> 00:04:52,376 And it brings the chimps together. 60 00:04:56,297 --> 00:04:58,299 [grunting rhythmically] 61 00:05:19,487 --> 00:05:21,572 Jackson is still under pressure. 62 00:05:25,117 --> 00:05:27,203 Abrams is back in his place, 63 00:05:27,203 --> 00:05:29,121 but he won't give up. 64 00:05:32,666 --> 00:05:35,586 Jackson needs to remind everyone who is in charge. 65 00:05:35,586 --> 00:05:37,505 [hooting loudly] 66 00:05:37,505 --> 00:05:39,382 [dramatic music playing] 67 00:05:44,428 --> 00:05:46,639 [hoots, shrieking] 68 00:05:48,015 --> 00:05:49,141 [music intensifies] 69 00:05:49,141 --> 00:05:50,559 [hooting] 70 00:06:01,654 --> 00:06:02,947 [shrieking] 71 00:06:08,202 --> 00:06:09,453 [Jackson yelling] 72 00:06:12,331 --> 00:06:14,542 - [nearby shrieking] - [hooting] 73 00:06:17,253 --> 00:06:19,004 [high rhythmic hooting] 74 00:06:23,050 --> 00:06:24,510 [distant shrieking] 75 00:06:27,096 --> 00:06:28,556 [noises gradually fading out] 76 00:06:31,434 --> 00:06:34,186 While Jackson is focused on dominating at home, 77 00:06:34,979 --> 00:06:38,357 other chimps are standing guard at the western border... 78 00:06:42,319 --> 00:06:44,196 alert to the new threat they face. 79 00:06:48,951 --> 00:06:50,578 [ominous music playing] 80 00:06:53,164 --> 00:06:54,623 [music intensifies] 81 00:06:59,670 --> 00:07:00,838 Abrams is here. 82 00:07:01,338 --> 00:07:02,798 [music intensifies] 83 00:07:03,299 --> 00:07:05,509 And so are several other adult males. 84 00:07:13,309 --> 00:07:14,685 [music intensifies] 85 00:07:27,490 --> 00:07:29,617 But they have no way of knowing 86 00:07:29,617 --> 00:07:32,369 when the westerners will strike again. 87 00:07:32,369 --> 00:07:34,455 [solemn drumbeat reverberates] 88 00:07:34,455 --> 00:07:36,832 [birds calling, insects buzzing] 89 00:08:00,314 --> 00:08:02,483 {\an8}The life of an alpha male isn't easy. 90 00:08:04,610 --> 00:08:06,070 But it comes with benefits. 91 00:08:08,697 --> 00:08:11,283 Generally, the higher a chimp's rank, 92 00:08:12,117 --> 00:08:14,537 the more opportunities they have to mate. 93 00:08:18,832 --> 00:08:20,876 Mature females like Bartoli 94 00:08:22,253 --> 00:08:25,130 normally give birth every five or six years. 95 00:08:25,673 --> 00:08:26,757 [branch cracks] 96 00:08:36,100 --> 00:08:37,768 [ambient music playing] 97 00:08:58,163 --> 00:08:59,999 [music becomes poignant] 98 00:09:08,716 --> 00:09:11,802 {\an8}Bartoli's son, Herzog, is six years old now, 99 00:09:14,263 --> 00:09:16,181 and she's ready to get pregnant again. 100 00:09:18,058 --> 00:09:19,727 [quirky music playing] 101 00:09:28,569 --> 00:09:30,946 She could do a lot worse than Jackson's genes. 102 00:09:32,865 --> 00:09:34,366 But she needs to be cautious. 103 00:09:38,078 --> 00:09:39,038 Jackson is big, 104 00:09:39,872 --> 00:09:42,041 powerful, and unpredictable. 105 00:09:45,252 --> 00:09:48,339 She needs to keep herself and Herzog safe... 106 00:09:51,342 --> 00:09:54,011 and ensure that Jackson is calm. 107 00:10:05,731 --> 00:10:08,150 Herzog finds the whole thing confusing. 108 00:10:14,657 --> 00:10:15,908 But as a young chimp, 109 00:10:15,908 --> 00:10:17,910 he has to stay close to his mother. 110 00:10:25,334 --> 00:10:26,585 Whatever she's doing. 111 00:10:27,503 --> 00:10:28,962 [Bartoli shrieking] 112 00:10:32,132 --> 00:10:33,717 [Bartoli grunting rhythmically] 113 00:10:43,435 --> 00:10:45,396 [music becomes suspenseful] 114 00:10:56,615 --> 00:10:58,701 Jackson is making his move. 115 00:11:00,786 --> 00:11:02,079 By waving a branch, 116 00:11:02,955 --> 00:11:05,708 he's asking Bartoli to follow him... 117 00:11:08,293 --> 00:11:09,211 and mate. 118 00:11:32,109 --> 00:11:33,944 And Bartoli seems keen. 119 00:11:33,944 --> 00:11:34,862 [hoots softly] 120 00:11:55,007 --> 00:11:56,759 [grunting rhythmically] 121 00:11:59,136 --> 00:12:02,097 - Herzog makes an attempt to break it up. - [Herzog shrieking] 122 00:12:10,689 --> 00:12:11,774 But it's too late. 123 00:12:12,691 --> 00:12:14,193 [hooting rhythmically] 124 00:12:19,615 --> 00:12:21,158 Jackson got what he wanted. 125 00:12:26,789 --> 00:12:28,040 And so did Bartoli. 126 00:12:33,003 --> 00:12:34,630 But it's been a tiring day. 127 00:12:40,511 --> 00:12:43,764 Female chimps mate with multiple males. 128 00:12:43,764 --> 00:12:45,265 So there's no guarantee 129 00:12:45,265 --> 00:12:47,976 Jackson will be the father of Bartoli's baby. 130 00:12:52,314 --> 00:12:54,149 He stands a good chance though. 131 00:12:55,609 --> 00:12:57,152 Because it's happened before. 132 00:12:58,403 --> 00:13:00,197 Although Jackson doesn't know it, 133 00:13:01,740 --> 00:13:03,784 Herzog is his son. 134 00:13:11,083 --> 00:13:12,668 [monkeys croaking rhythmically] 135 00:13:34,481 --> 00:13:37,359 Chimps don't always hunt because they are hungry. 136 00:13:38,819 --> 00:13:40,654 [menacing music playing] 137 00:13:40,654 --> 00:13:43,615 In fact, usually the opposite is true. 138 00:13:46,660 --> 00:13:47,828 They hunt much more 139 00:13:47,828 --> 00:13:50,789 when they are well-fed and bursting with energy. 140 00:13:52,124 --> 00:13:53,500 [music intensifies] 141 00:13:54,293 --> 00:13:56,420 When Chrysophyllum is in full fruit, 142 00:13:57,212 --> 00:13:59,840 hunting goes into overdrive. 143 00:13:59,840 --> 00:14:01,383 [chimps screeching] 144 00:14:11,226 --> 00:14:12,477 [music intensifies] 145 00:14:22,487 --> 00:14:24,364 [music intensifies, abates] 146 00:14:28,118 --> 00:14:30,704 Chimpanzees don't conserve resources... 147 00:14:35,667 --> 00:14:38,295 or think about the nature of what they are eating. 148 00:14:43,091 --> 00:14:44,468 [shrieking nearby] 149 00:14:48,305 --> 00:14:49,806 With this many kills, 150 00:14:50,474 --> 00:14:53,310 meat sharing is highly political. 151 00:14:57,230 --> 00:14:58,690 [distant shrieking] 152 00:15:03,236 --> 00:15:05,739 For Jackson, this big duiker 153 00:15:05,739 --> 00:15:08,408 is an opportunity to strengthen his position 154 00:15:09,076 --> 00:15:10,911 by sharing with his allies. 155 00:15:17,709 --> 00:15:19,086 [excited grunting] 156 00:15:31,139 --> 00:15:32,891 [loud rhythmic hooting] 157 00:15:34,142 --> 00:15:37,771 Today, he's favoring another high-ranking male. 158 00:15:42,025 --> 00:15:43,026 Peterson. 159 00:15:52,411 --> 00:15:53,912 But just as important 160 00:15:53,912 --> 00:15:55,872 is who he's excluding. 161 00:15:56,581 --> 00:15:58,083 [tense music playing] 162 00:15:59,292 --> 00:16:01,670 - [grunting loudly] - [shrieks] 163 00:16:12,556 --> 00:16:14,725 [jarring string music playing quietly] 164 00:16:17,644 --> 00:16:18,770 [music darkens] 165 00:16:29,281 --> 00:16:32,159 Wilson is an up-and-coming young male. 166 00:16:36,913 --> 00:16:37,956 He's strong, 167 00:16:38,623 --> 00:16:39,791 and he's ambitious. 168 00:16:40,333 --> 00:16:42,169 [music intensifies] 169 00:16:42,169 --> 00:16:43,962 Jackson is not including him. 170 00:16:54,890 --> 00:16:56,475 And he's taking it badly. 171 00:16:56,475 --> 00:16:57,934 [music intensifies] 172 00:17:03,106 --> 00:17:04,483 [Wilson shrieking] 173 00:17:10,614 --> 00:17:11,990 [music intensifies] 174 00:17:15,619 --> 00:17:16,703 [shrieking fades out] 175 00:17:16,703 --> 00:17:19,289 The males can be aggressive around meat, 176 00:17:19,790 --> 00:17:22,751 and the females need to tread carefully. 177 00:17:25,087 --> 00:17:26,838 {\an8}[faint drumbeat playing] 178 00:17:36,389 --> 00:17:37,891 Christine wants a share. 179 00:17:43,605 --> 00:17:45,816 And she's willing to take the risk. 180 00:17:47,776 --> 00:17:49,569 [drumbeat getting louder] 181 00:18:05,460 --> 00:18:08,088 Wilson is watching carefully. 182 00:18:25,397 --> 00:18:26,565 [drumbeat stops] 183 00:18:31,903 --> 00:18:33,822 Christine got what she came for. 184 00:18:40,370 --> 00:18:41,955 But she may not get to keep it. 185 00:18:44,958 --> 00:18:46,459 [rhythmic shrieking] 186 00:18:49,212 --> 00:18:50,297 [screeching] 187 00:18:52,549 --> 00:18:54,301 [dramatic music playing] 188 00:18:58,555 --> 00:19:00,557 Wilson is taking out his frustrations. 189 00:19:14,446 --> 00:19:15,488 [music abates] 190 00:19:23,163 --> 00:19:24,456 [music fades out] 191 00:19:26,875 --> 00:19:29,169 Fortunately, the baby wasn't hurt. 192 00:19:33,715 --> 00:19:37,510 But Christine needs to take her family away to safety. 193 00:19:52,734 --> 00:19:54,861 [creature trilling loudly] 194 00:20:10,794 --> 00:20:12,462 [suckling] 195 00:20:12,462 --> 00:20:14,339 [trilling fades out] 196 00:20:14,339 --> 00:20:16,508 This is a quiet part of the forest, 197 00:20:17,384 --> 00:20:19,094 away from most of the group. 198 00:20:25,892 --> 00:20:27,811 But Christine is not alone. 199 00:20:46,037 --> 00:20:47,914 {\an8}[optimistic music playing] 200 00:21:19,237 --> 00:21:22,324 Gus can't offer protection from a chimp like Wilson. 201 00:21:23,450 --> 00:21:25,869 But at least he can offer some comfort... 202 00:21:30,957 --> 00:21:33,084 to Christine and her family. 203 00:21:51,311 --> 00:21:53,313 [baby grunting rhythmically] 204 00:21:54,647 --> 00:21:56,149 [distant screeching] 205 00:22:03,615 --> 00:22:05,784 [yawning] 206 00:22:13,875 --> 00:22:16,711 Abrams' challenge to Jackson has stalled. 207 00:22:16,711 --> 00:22:19,547 {\an8}[solemn drumbeat and music playing] 208 00:22:20,632 --> 00:22:24,094 {\an8}Jackson is propped up by some powerful allies. 209 00:22:24,094 --> 00:22:25,553 [music intensifies] 210 00:22:39,109 --> 00:22:40,235 [music darkens] 211 00:22:44,656 --> 00:22:47,033 And Abrams is lacking support. 212 00:22:53,164 --> 00:22:55,917 {\an8}But now there's another ambitious young chimp 213 00:22:56,918 --> 00:22:58,711 {\an8}with a grudge against Jackson. 214 00:22:58,711 --> 00:23:00,463 [drumbeat accelerates] 215 00:23:24,821 --> 00:23:27,949 This could be the beginning of a powerful alliance. 216 00:23:29,033 --> 00:23:30,201 [drumbeat stops] 217 00:23:33,955 --> 00:23:34,998 [music abates] 218 00:23:39,502 --> 00:23:40,670 [music reprises] 219 00:23:44,215 --> 00:23:45,592 [chimps shrieking] 220 00:23:48,303 --> 00:23:51,347 For now, Abrams and Wilson 221 00:23:51,973 --> 00:23:55,393 are joining a group of males to patrol westwards. 222 00:24:10,033 --> 00:24:12,202 [solemn drumbeat reverberates] 223 00:24:13,495 --> 00:24:15,038 Jackson is not with them. 224 00:24:22,712 --> 00:24:25,215 As powerful as he is in his own territory, 225 00:24:26,674 --> 00:24:29,010 Jackson fears the west. 226 00:24:29,010 --> 00:24:30,595 [tense music playing] 227 00:24:36,434 --> 00:24:37,769 He grew up in the west 228 00:24:38,645 --> 00:24:41,231 and was allies with the westerners for many years. 229 00:24:45,235 --> 00:24:46,653 But when the group split, 230 00:24:47,529 --> 00:24:48,821 he deserted them 231 00:24:48,821 --> 00:24:52,408 to reign as alpha of the bigger central group. 232 00:24:57,872 --> 00:24:59,290 As conflict erupted, 233 00:25:00,083 --> 00:25:03,002 the western males targeted Jackson. 234 00:25:07,257 --> 00:25:09,008 [music darkens] 235 00:25:09,717 --> 00:25:10,969 He escaped with his life. 236 00:25:12,971 --> 00:25:14,931 But he still bears the scars. 237 00:25:21,688 --> 00:25:25,441 The westerners are a threat to all the central males. 238 00:25:26,317 --> 00:25:29,320 But they hold a bitter grudge against Jackson. 239 00:25:31,698 --> 00:25:33,992 And he fears them to this day. 240 00:25:33,992 --> 00:25:35,493 [music intensifies] 241 00:25:36,703 --> 00:25:37,996 [music fades out] 242 00:25:37,996 --> 00:25:40,665 [creatures calling, chimps hooting] 243 00:25:47,130 --> 00:25:49,882 The borderlands are filled with Chrysophyllum. 244 00:26:00,935 --> 00:26:04,230 The westerners are spending more and more time here feeding. 245 00:26:10,570 --> 00:26:12,447 After killing Pork Pie, 246 00:26:12,447 --> 00:26:14,240 they've grown in confidence. 247 00:26:28,087 --> 00:26:31,341 And there are chimps in the group that won't stop there. 248 00:26:34,344 --> 00:26:36,596 [gentle poignant music playing] 249 00:26:50,401 --> 00:26:54,030 Rollins and Damien will always want more territory. 250 00:27:03,581 --> 00:27:04,666 [undergrowth rustles] 251 00:27:09,587 --> 00:27:10,838 [hooting] 252 00:27:10,838 --> 00:27:13,216 The western males are getting stronger. 253 00:27:13,216 --> 00:27:14,384 [males hooting] 254 00:27:17,804 --> 00:27:19,972 [grunting rhythmically] 255 00:27:26,145 --> 00:27:28,106 They are constantly displaying. 256 00:27:33,528 --> 00:27:35,279 [shrieking] 257 00:27:35,279 --> 00:27:37,365 [hooting loudly] 258 00:27:42,537 --> 00:27:44,372 [shrieking] 259 00:27:45,289 --> 00:27:47,625 The westerners are getting ready to make their move. 260 00:27:50,211 --> 00:27:51,963 [music becomes dramatic] 261 00:27:54,048 --> 00:27:55,800 [screeching] 262 00:28:06,561 --> 00:28:07,729 [music abates] 263 00:28:07,729 --> 00:28:09,188 [shrieking] 264 00:28:11,190 --> 00:28:13,985 And Richmond is at the center of it. 265 00:28:13,985 --> 00:28:15,486 [music intensifies] 266 00:28:30,668 --> 00:28:32,253 [screeching] 267 00:28:35,214 --> 00:28:36,632 [music, screeching subside] 268 00:28:39,135 --> 00:28:40,678 He's not alpha anymore, 269 00:28:41,220 --> 00:28:43,347 but he's still a chimp to be feared. 270 00:29:00,615 --> 00:29:02,325 Bergl is back to full health. 271 00:29:02,867 --> 00:29:05,244 [lively percussive music playing] 272 00:29:11,250 --> 00:29:13,211 And that's not his only progress. 273 00:29:14,128 --> 00:29:16,005 [music becomes optimistic] 274 00:29:46,285 --> 00:29:48,329 He's regularly grooming with Garrison, 275 00:29:49,789 --> 00:29:51,624 who seems to be a good influence. 276 00:30:05,263 --> 00:30:08,349 And he's even started to bond with the west's patrol leaders. 277 00:30:09,058 --> 00:30:10,685 {\an8}[solemn music playing] 278 00:30:23,406 --> 00:30:25,157 [music becomes dramatic] 279 00:30:28,870 --> 00:30:30,913 Wrestling is a good test of strength. 280 00:30:33,708 --> 00:30:35,626 [grunting rhythmically] 281 00:30:43,968 --> 00:30:47,597 And it gives Rollins and Damien a chance to see what Bergl is made of. 282 00:30:48,681 --> 00:30:50,016 [panting] 283 00:30:56,439 --> 00:30:57,398 [groans] 284 00:31:06,032 --> 00:31:08,034 [grunting, panting continue] 285 00:31:09,660 --> 00:31:11,120 [activity peters out] 286 00:31:16,375 --> 00:31:18,920 The westerners need every chimp they've got. 287 00:31:24,759 --> 00:31:27,094 If they're going to claim this area for themselves, 288 00:31:27,094 --> 00:31:30,264 they'll have to confront the central chimps in their own territory... 289 00:31:30,264 --> 00:31:31,849 [solemn drumbeat playing] 290 00:31:31,849 --> 00:31:33,225 ...and push them back. 291 00:31:37,563 --> 00:31:39,899 For this, they need numbers. 292 00:31:43,569 --> 00:31:45,321 So they'll travel in force, 293 00:31:46,280 --> 00:31:48,824 males and females together. 294 00:32:00,628 --> 00:32:01,754 [music intensifies] 295 00:32:25,945 --> 00:32:27,238 [music continues] 296 00:32:38,290 --> 00:32:40,459 [solemn drumbeat reverberates] 297 00:32:40,459 --> 00:32:42,003 [insects thrumming] 298 00:32:51,220 --> 00:32:54,306 {\an8}Bartoli and Herzog are near the borderlands, 299 00:32:55,182 --> 00:32:59,228 {\an8}getting some peace away from Jackson and the other central males. 300 00:33:02,106 --> 00:33:03,149 It's much needed. 301 00:33:08,654 --> 00:33:10,781 But she has no idea what's coming. 302 00:33:10,781 --> 00:33:11,949 [undergrowth rustles] 303 00:33:11,949 --> 00:33:13,617 [somber music playing] 304 00:33:17,413 --> 00:33:18,789 [music intensifies] 305 00:33:33,763 --> 00:33:34,847 If they're caught, 306 00:33:35,347 --> 00:33:36,891 Herzog could be killed. 307 00:33:39,769 --> 00:33:41,145 [music intensifies] 308 00:33:48,569 --> 00:33:49,653 [undergrowth rustles] 309 00:33:52,990 --> 00:33:54,241 [branch rattles] 310 00:33:58,370 --> 00:33:59,497 [music darkens] 311 00:34:06,921 --> 00:34:08,672 - [twig cracks] - [Bartoli grunts] 312 00:34:11,884 --> 00:34:12,802 [shrieks] 313 00:34:13,302 --> 00:34:14,678 [screeching nearby] 314 00:34:14,678 --> 00:34:16,138 [music intensifies] 315 00:34:17,348 --> 00:34:18,891 [shrieking intensifies] 316 00:34:23,145 --> 00:34:25,189 [shrieking, whooping] 317 00:34:26,774 --> 00:34:28,067 [frantic screeching] 318 00:34:29,193 --> 00:34:30,569 [music intensifies] 319 00:34:36,534 --> 00:34:37,535 [music ends] 320 00:34:37,535 --> 00:34:38,744 [noises trail off] 321 00:34:40,830 --> 00:34:42,832 [Bartoli screeching] 322 00:34:42,832 --> 00:34:45,751 A western male is chasing Bartoli into the canopy. 323 00:34:51,340 --> 00:34:52,883 [shrieking] 324 00:34:54,009 --> 00:34:55,094 [music darkens] 325 00:34:55,094 --> 00:34:56,929 She and Herzog have been separated. 326 00:35:02,935 --> 00:35:04,436 [soft shrieking] 327 00:35:14,071 --> 00:35:16,782 But Herzog won't leave his mother. 328 00:35:18,075 --> 00:35:19,451 [music intensifies] 329 00:35:21,829 --> 00:35:23,289 He's going to try to protect her. 330 00:35:23,789 --> 00:35:24,957 [Herzog shrieking] 331 00:35:27,334 --> 00:35:28,752 [Herzog screeching] 332 00:35:31,714 --> 00:35:33,424 He's got the attacker's attention. 333 00:35:34,425 --> 00:35:36,427 [high-pitched hooting] 334 00:35:40,472 --> 00:35:43,517 But now they're both trapped in the canopy... 335 00:35:48,022 --> 00:35:48,939 at the mercy 336 00:35:49,523 --> 00:35:50,983 of the western males. 337 00:35:57,323 --> 00:35:58,574 [hooting] 338 00:36:08,042 --> 00:36:09,585 [tense music playing] 339 00:36:16,926 --> 00:36:18,844 [chimp whimpering] 340 00:36:21,889 --> 00:36:23,891 [jarring violin music playing] 341 00:36:26,101 --> 00:36:28,020 But the westerners aren't attacking. 342 00:36:40,032 --> 00:36:41,200 They're moving on. 343 00:37:02,513 --> 00:37:03,806 [Herzog suckling] 344 00:37:10,437 --> 00:37:12,022 [somber music playing] 345 00:37:13,857 --> 00:37:17,152 A lone family is not what the westerners are looking for. 346 00:37:21,573 --> 00:37:23,033 [music intensifies] 347 00:37:29,665 --> 00:37:30,708 [music abates] 348 00:37:47,891 --> 00:37:49,852 Bartoli and Herzog 349 00:37:50,477 --> 00:37:51,895 slip away together. 350 00:37:53,647 --> 00:37:54,940 [music fades out] 351 00:37:58,736 --> 00:38:00,321 [solemn music playing] 352 00:38:06,368 --> 00:38:09,496 The westerners are pushing deeper into the central territory. 353 00:38:10,998 --> 00:38:12,416 [music intensifies] 354 00:38:16,837 --> 00:38:18,047 [music abates] 355 00:38:20,174 --> 00:38:21,258 And some chimps 356 00:38:22,176 --> 00:38:23,552 are beginning to hesitate. 357 00:38:27,139 --> 00:38:29,558 - [grunting nearby] - [ceremonial drumbeat playing] 358 00:38:30,851 --> 00:38:33,312 For Carson, the risk is too great. 359 00:38:37,858 --> 00:38:40,444 And she's going to put E.O.'s safety first. 360 00:38:44,490 --> 00:38:45,949 [drumbeat continues] 361 00:38:48,911 --> 00:38:51,914 Many females and younger chimps 362 00:38:52,706 --> 00:38:54,917 will drop out with the threat of real battle. 363 00:38:57,503 --> 00:38:58,420 And Joya 364 00:38:59,380 --> 00:39:01,382 is choosing to follow Carson home. 365 00:39:08,347 --> 00:39:09,473 [drumbeat intensifies] 366 00:39:12,393 --> 00:39:15,729 A chimp like Bergl should fall back too. 367 00:39:17,147 --> 00:39:19,441 He's too young and too small. 368 00:39:29,868 --> 00:39:31,120 But Bergl is staying. 369 00:39:38,085 --> 00:39:39,628 He's grown in confidence. 370 00:39:42,297 --> 00:39:45,592 And for him, conflict is in the blood. 371 00:39:51,473 --> 00:39:52,975 [drumbeat fades out] 372 00:39:57,271 --> 00:39:59,022 Although neither of them know it... 373 00:40:05,737 --> 00:40:07,156 he is Rollins's son. 374 00:40:09,491 --> 00:40:10,993 [solemn music playing] 375 00:40:10,993 --> 00:40:12,661 [grunting aggressively] 376 00:40:17,875 --> 00:40:21,712 The western males are deep inside the central territory. 377 00:40:31,054 --> 00:40:33,682 And they can sense their enemies are close. 378 00:40:33,682 --> 00:40:36,685 [sniffing] 379 00:40:45,360 --> 00:40:46,737 [music intensifies] 380 00:40:57,831 --> 00:40:58,916 [music abates] 381 00:40:59,541 --> 00:41:01,210 [deep trilling in distance] 382 00:41:11,512 --> 00:41:14,640 The central chimps have been caught off guard before. 383 00:41:27,444 --> 00:41:28,570 But not this time. 384 00:41:31,823 --> 00:41:33,867 {\an8}This time, they're ready. 385 00:41:34,618 --> 00:41:36,370 [dramatic music playing] 386 00:41:53,929 --> 00:41:55,389 [music intensifies] 387 00:41:56,014 --> 00:41:57,307 [music fades out] 388 00:42:07,150 --> 00:42:08,735 [whoops, screeches] 389 00:42:09,486 --> 00:42:12,197 [dramatic music rapidly accelerating] 390 00:42:12,197 --> 00:42:14,283 [music climaxes, fades out] 391 00:42:16,159 --> 00:42:17,452 [subdued hooting] 392 00:42:19,621 --> 00:42:23,375 When two big groups come face-to-face, 393 00:42:24,126 --> 00:42:27,337 the outcome is always unpredictable. 394 00:42:30,924 --> 00:42:32,259 [dramatic music playing] 395 00:42:32,259 --> 00:42:33,677 [whooping] 396 00:42:33,677 --> 00:42:35,304 [shrieking] 397 00:42:37,431 --> 00:42:38,890 [music intensifies] 398 00:42:50,819 --> 00:42:52,195 [music intensifies] 399 00:42:58,035 --> 00:42:59,411 The westerners attack. 400 00:43:01,580 --> 00:43:04,583 [screeching, whooping] 401 00:43:07,002 --> 00:43:09,921 And the centrallers meet them head-on. 402 00:43:28,440 --> 00:43:30,192 Bergl is right in the middle of it. 403 00:43:32,736 --> 00:43:34,321 [screeching, whooping continue] 404 00:43:34,321 --> 00:43:35,739 [music intensifies] 405 00:43:42,329 --> 00:43:44,706 The westerners are pushing the centrallers back. 406 00:43:45,957 --> 00:43:47,417 [frantic shrieking] 407 00:43:54,841 --> 00:43:56,677 - [shrieking stops] - [music fades out] 408 00:44:06,353 --> 00:44:08,021 [solemn music playing] 409 00:44:14,194 --> 00:44:16,321 [hooting softly] 410 00:44:23,286 --> 00:44:26,832 But some chimps still haven't joined the battle. 411 00:44:28,542 --> 00:44:29,960 {\an8}[music intensifies] 412 00:44:36,174 --> 00:44:37,634 [shrieking] 413 00:44:46,518 --> 00:44:48,687 [solemn drumbeat reverberates] 414 00:44:52,232 --> 00:44:54,609 If the centrallers are going to fight back, 415 00:44:54,609 --> 00:44:57,779 it will be now, behind their alpha. 416 00:44:59,573 --> 00:45:01,908 [drumbeat accelerates] 417 00:45:16,673 --> 00:45:19,217 Jackson is face-to-face with his old rivals. 418 00:45:20,135 --> 00:45:22,888 The same chimps that tried to kill him years ago. 419 00:45:22,888 --> 00:45:24,973 - [whooping] - [shrieking] 420 00:45:27,976 --> 00:45:29,561 [drumbeat intensifies] 421 00:45:34,191 --> 00:45:35,484 {\an8}[panting rapidly] 422 00:45:44,618 --> 00:45:45,702 [drumbeat ends] 423 00:45:48,914 --> 00:45:50,415 Jackson shows no fear. 424 00:45:50,415 --> 00:45:51,792 [screeching] 425 00:45:51,792 --> 00:45:53,668 [dramatic music playing] 426 00:45:57,172 --> 00:45:59,090 And his group get behind him. 427 00:46:00,967 --> 00:46:02,511 [grunting rhythmically] 428 00:46:02,511 --> 00:46:05,013 [shrieking] 429 00:46:11,353 --> 00:46:12,813 [music intensifies] 430 00:46:18,109 --> 00:46:19,861 [shrieking continues] 431 00:46:24,574 --> 00:46:26,034 [music intensifies] 432 00:46:35,794 --> 00:46:37,629 [frantic shrieking] 433 00:46:39,089 --> 00:46:40,799 [whooping] 434 00:46:54,688 --> 00:46:55,730 [music abates] 435 00:46:59,150 --> 00:47:01,653 The westerners have been pushed back. 436 00:47:02,821 --> 00:47:03,989 And they're retreating. 437 00:47:13,248 --> 00:47:14,457 [hooting softly] 438 00:47:16,293 --> 00:47:18,628 {\an8}[hooting loudly] 439 00:47:20,881 --> 00:47:22,257 [shrieking] 440 00:47:31,391 --> 00:47:32,601 [birds chirping] 441 00:47:34,102 --> 00:47:35,562 [insects thrumming] 442 00:47:42,777 --> 00:47:45,238 The central chimps have held off their rivals. 443 00:47:45,238 --> 00:47:46,656 [melancholy music playing] 444 00:47:49,451 --> 00:47:51,578 But Jackson has been injured in the battle. 445 00:48:05,717 --> 00:48:07,093 [music intensifies] 446 00:48:10,597 --> 00:48:12,182 He defended his territory. 447 00:48:15,769 --> 00:48:16,978 But at what cost? 448 00:48:21,274 --> 00:48:23,276 [pensive music playing] 449 00:48:28,406 --> 00:48:30,784 [melancholic piano music playing]