1 00:00:11,600 --> 00:00:13,600 [tranquil music plays] 2 00:00:16,040 --> 00:00:18,520 [Helena Bonham Carter] At the southernmost tip of the world, 3 00:00:19,040 --> 00:00:21,560 a new life is beginning. 4 00:00:23,600 --> 00:00:24,600 [squawking] 5 00:00:25,480 --> 00:00:27,600 After nine weeks in this egg, 6 00:00:27,680 --> 00:00:29,600 balanced on Dad's feet... 7 00:00:29,680 --> 00:00:31,360 [tranquil music continues] 8 00:00:34,040 --> 00:00:40,320 ...emperor penguin chick Pico gets his first view of the outside world... 9 00:00:40,400 --> 00:00:42,200 [chick chirps] 10 00:00:42,280 --> 00:00:44,520 ...and of his doting dad. 11 00:00:44,600 --> 00:00:45,440 [chick chirps] 12 00:00:45,520 --> 00:00:47,680 [tranquil music continues] 13 00:00:47,760 --> 00:00:49,120 [chick chirps] 14 00:00:49,200 --> 00:00:52,040 [wind rushes] 15 00:00:53,320 --> 00:00:56,240 There's no tougher place to start life. 16 00:00:58,520 --> 00:01:00,520 [somber music plays] 17 00:01:02,400 --> 00:01:05,840 With temperatures down to -35 degrees, 18 00:01:07,640 --> 00:01:11,280 and wind speeds up to 150 miles per hour... 19 00:01:13,880 --> 00:01:18,880 Pico's home is one of the most hostile on the planet. 20 00:01:18,960 --> 00:01:21,360 [somber music continues] 21 00:01:21,440 --> 00:01:25,280 Three grueling months of winter lie ahead. 22 00:01:27,480 --> 00:01:32,000 Pico must stay glued to his dad's feet at all times... 23 00:01:34,200 --> 00:01:36,760 or he'll freeze to death in minutes. 24 00:01:36,840 --> 00:01:38,840 [somber music continues] 25 00:01:43,200 --> 00:01:45,280 And there's another looming threat. 26 00:01:46,880 --> 00:01:51,480 The stored baby food from Dad will only last one more week. 27 00:01:51,560 --> 00:01:53,840 [somber music continues] 28 00:01:55,280 --> 00:02:00,920 Pico desperately needs his mom to return with fish soon to stay alive. 29 00:02:05,600 --> 00:02:07,600 [somber music fades] 30 00:02:15,360 --> 00:02:17,720 For many babies born wild, 31 00:02:17,800 --> 00:02:23,960 growing up in a hostile home means every day is a fight to survive. 32 00:02:24,040 --> 00:02:26,400 [tense music plays] 33 00:02:26,480 --> 00:02:29,400 This sun-scorched valley in Central Africa 34 00:02:29,480 --> 00:02:32,680 is home to ten-month-old lion cub Minnie. 35 00:02:34,800 --> 00:02:36,800 [tranquil music plays] 36 00:02:37,480 --> 00:02:39,760 She's the baby of this family. 37 00:02:40,280 --> 00:02:41,200 [lion growls] 38 00:02:41,280 --> 00:02:43,520 [tranquil music continues] 39 00:02:46,480 --> 00:02:49,760 The smallest of four teenage cubs. 40 00:02:53,000 --> 00:02:54,800 And the most affectionate. 41 00:02:58,360 --> 00:03:00,240 Her pride dotes on her. 42 00:03:00,320 --> 00:03:02,320 [tranquil music continues] 43 00:03:04,560 --> 00:03:07,240 But Minnie's life is under threat. 44 00:03:07,320 --> 00:03:09,000 [tranquil music fades] 45 00:03:12,440 --> 00:03:14,120 Five miles north, 46 00:03:15,520 --> 00:03:20,240 three nomadic males have just crossed into the family's territory. 47 00:03:22,720 --> 00:03:26,240 If they take over the pride, they will kill any cubs 48 00:03:27,040 --> 00:03:29,040 so they can father their own. 49 00:03:29,120 --> 00:03:31,120 [foreboding music plays] 50 00:03:32,600 --> 00:03:34,600 [foreboding music fades] 51 00:03:36,440 --> 00:03:40,000 As the youngest, Minnie is most vulnerable. 52 00:03:41,480 --> 00:03:44,280 But right now, she has a more urgent problem. 53 00:03:44,360 --> 00:03:46,360 [tense music plays] 54 00:03:48,960 --> 00:03:51,920 In the 100-degree heat, prey is scarce, 55 00:03:52,000 --> 00:03:54,560 and the family hasn't eaten for days. 56 00:03:54,640 --> 00:03:56,200 [tense music continues] 57 00:04:00,360 --> 00:04:01,440 At last, 58 00:04:01,520 --> 00:04:04,160 Minnie's mom spots a chance. 59 00:04:04,240 --> 00:04:06,240 [tense music continues] 60 00:04:08,720 --> 00:04:11,920 All six females are masterful hunters. 61 00:04:12,000 --> 00:04:14,280 [tense music continues] 62 00:04:19,120 --> 00:04:21,840 But sneaking up on prey with no cover to hide in 63 00:04:23,240 --> 00:04:24,840 is nigh on impossible. 64 00:04:26,680 --> 00:04:28,680 [dramatic music plays] 65 00:04:44,400 --> 00:04:45,880 [dramatic music stops] 66 00:04:47,880 --> 00:04:50,320 Like so many previous attempts this week, 67 00:04:51,160 --> 00:04:52,680 it ends in failure. 68 00:04:52,760 --> 00:04:54,760 [melancholy music plays] 69 00:05:01,680 --> 00:05:05,680 Once again, malnourished Minnie will go hungry. 70 00:05:05,760 --> 00:05:07,760 [melancholy music continues] 71 00:05:14,560 --> 00:05:17,640 All her family can offer is comfort. 72 00:05:17,720 --> 00:05:19,640 [melancholy music continues] 73 00:05:23,680 --> 00:05:25,760 [melancholy music fades] 74 00:05:28,480 --> 00:05:32,120 In some hostile homes, the challenges are easy to see. 75 00:05:34,120 --> 00:05:37,880 In others, first appearances can be deceptive. 76 00:05:41,080 --> 00:05:44,720 This little arctic fox pup is Silver. 77 00:05:44,800 --> 00:05:46,800 [upbeat music plays] 78 00:05:47,480 --> 00:05:49,120 She's six weeks old. 79 00:05:50,440 --> 00:05:51,800 And unfortunately for her, 80 00:05:53,000 --> 00:05:56,320 the only girl among three unruly brothers. 81 00:05:56,400 --> 00:05:58,360 [upbeat music continues] 82 00:05:58,440 --> 00:06:01,360 [pups squeal] 83 00:06:06,920 --> 00:06:08,960 She's all for a quiet life, 84 00:06:10,080 --> 00:06:13,880 but in this family, that's just not on the cards. 85 00:06:14,480 --> 00:06:17,160 [pups squeal] 86 00:06:17,240 --> 00:06:19,240 [upbeat music continues] 87 00:06:22,720 --> 00:06:24,480 The boys might have the brawn... 88 00:06:27,320 --> 00:06:30,160 but Silver definitely has the brains. 89 00:06:32,400 --> 00:06:34,080 [tranquil music plays] 90 00:06:35,040 --> 00:06:38,600 Today, her mom's keeping an eye on her boisterous brood... 91 00:06:42,680 --> 00:06:44,600 while her dad is out hunting. 92 00:06:47,040 --> 00:06:48,720 [tranquil music fades] 93 00:06:48,800 --> 00:06:53,680 Bothersome brothers aside, it looks like an idyllic place to grow up. 94 00:06:56,920 --> 00:06:58,040 But in fact, 95 00:06:58,120 --> 00:07:03,280 Silver's island home is one of the most hostile on the planet. 96 00:07:03,360 --> 00:07:05,360 [tense music plays] 97 00:07:06,480 --> 00:07:10,480 Close to the Arctic Circle, it's topped by glaciers 98 00:07:11,160 --> 00:07:13,440 and surrounded by icy seas 99 00:07:14,280 --> 00:07:16,920 with notorious undercurrents. 100 00:07:20,600 --> 00:07:22,960 Weather here can change in an instant, 101 00:07:23,560 --> 00:07:26,640 bringing gales, sudden storms, 102 00:07:28,000 --> 00:07:29,400 and landslides. 103 00:07:29,480 --> 00:07:30,920 [tense music plays] 104 00:07:34,080 --> 00:07:36,520 And that's not even the biggest threat. 105 00:07:38,720 --> 00:07:40,880 In a few months, it will be winter. 106 00:07:41,520 --> 00:07:43,280 [tense music continues] 107 00:07:43,360 --> 00:07:45,800 Temperatures will plummet below freezing. 108 00:07:47,320 --> 00:07:51,400 And by then, Silver and her brothers will have to fend for themselves. 109 00:07:53,560 --> 00:07:55,440 [foreboding music plays] 110 00:07:55,520 --> 00:07:57,640 The pups must fatten up fast. 111 00:08:00,440 --> 00:08:02,680 Though that's easier said than done. 112 00:08:03,640 --> 00:08:05,720 [foreboding music continues] 113 00:08:07,600 --> 00:08:10,200 Their main food is migrant birds. 114 00:08:11,440 --> 00:08:13,440 [squawking] 115 00:08:13,520 --> 00:08:16,680 But their nests are in other fox territories 116 00:08:17,240 --> 00:08:20,360 with extremely hostile owners. 117 00:08:20,440 --> 00:08:22,040 [fox yelps] 118 00:08:28,640 --> 00:08:32,640 Silver's desperate dad sneaks onto his neighbor's land. 119 00:08:32,720 --> 00:08:34,480 [tense music plays] 120 00:08:37,960 --> 00:08:38,960 It's a risk... 121 00:08:39,640 --> 00:08:40,840 [melancholy music plays] 122 00:08:40,920 --> 00:08:42,800 ...but he can't let his family starve. 123 00:08:44,360 --> 00:08:46,400 [melancholy music continues] 124 00:08:51,600 --> 00:08:54,200 As Silver's dad approaches the nesting cliffs, 125 00:08:55,360 --> 00:08:57,200 his neighbor spots him. 126 00:08:57,280 --> 00:08:58,640 [tense music plays] 127 00:09:02,600 --> 00:09:04,200 And heads straight for him. 128 00:09:04,280 --> 00:09:06,520 [tense music continues] 129 00:09:18,520 --> 00:09:21,800 [foxes shriek] 130 00:09:21,880 --> 00:09:23,880 [dramatic music plays] 131 00:09:24,520 --> 00:09:25,800 [foxes shriek] 132 00:09:25,880 --> 00:09:27,760 [dramatic music continues] 133 00:09:36,800 --> 00:09:37,920 [dramatic music stops] 134 00:09:38,000 --> 00:09:39,000 [fox yaps] 135 00:09:42,840 --> 00:09:45,120 The neighbor is triumphant. 136 00:09:45,200 --> 00:09:46,520 [fox howls] 137 00:09:48,680 --> 00:09:51,400 Silver's dad is lucky to come away unharmed. 138 00:09:54,000 --> 00:09:56,560 He must continue his search for food elsewhere. 139 00:10:04,960 --> 00:10:06,720 The pups are getting hungrier. 140 00:10:08,520 --> 00:10:10,960 But however much the boys pester their mom... 141 00:10:13,280 --> 00:10:14,920 she has nothing to give them. 142 00:10:15,000 --> 00:10:17,000 [melancholy music plays] 143 00:10:19,400 --> 00:10:22,160 Silver is more like her dad. 144 00:10:23,880 --> 00:10:27,160 Faced with a problem, she tries to solve it herself. 145 00:10:27,240 --> 00:10:29,240 [melancholy music continues] 146 00:10:29,760 --> 00:10:33,360 There just might be something to eat if you look hard enough. 147 00:10:34,600 --> 00:10:36,600 [melancholy music continues] 148 00:10:41,720 --> 00:10:44,920 But determination alone is not enough to survive 149 00:10:46,000 --> 00:10:47,760 the hostile winter ahead. 150 00:10:47,840 --> 00:10:49,720 [fox howls] 151 00:10:52,280 --> 00:10:54,280 [melancholy music fades] 152 00:10:54,360 --> 00:10:58,560 [wind rushes] 153 00:11:00,960 --> 00:11:02,760 [somber music plays] 154 00:11:02,840 --> 00:11:06,840 On the other side of the world, Pico faces the same fate. 155 00:11:10,200 --> 00:11:12,880 His life depends on his mom's return. 156 00:11:14,080 --> 00:11:17,000 And thankfully, his wait is nearly over. 157 00:11:20,200 --> 00:11:21,280 [somber music fades] 158 00:11:26,640 --> 00:11:28,640 After two months at sea, 159 00:11:28,720 --> 00:11:32,000 Pico's mom is finally heading home 160 00:11:32,080 --> 00:11:35,440 with a belly full of fish to feed her son. 161 00:11:36,040 --> 00:11:38,040 [jaunty music plays] 162 00:11:38,600 --> 00:11:40,240 [penguin squawks] 163 00:11:42,400 --> 00:11:43,680 [jaunty music continues] 164 00:11:50,800 --> 00:11:55,360 It's a mammoth four-day trek across sea ice to reach home. 165 00:11:55,440 --> 00:11:57,280 [jaunty music continues] 166 00:12:00,760 --> 00:12:03,800 Pico's mom is determined to get there. 167 00:12:05,520 --> 00:12:07,520 [jaunty music fades] 168 00:12:13,480 --> 00:12:15,800 Just as Dad's food store runs out, 169 00:12:17,560 --> 00:12:20,400 the family is reunited. 170 00:12:20,960 --> 00:12:22,960 [tranquil music plays] 171 00:12:27,600 --> 00:12:32,280 And Pico's dad reveals their little bundle of joy. 172 00:12:32,360 --> 00:12:34,360 [tranquil music continues] 173 00:12:38,360 --> 00:12:41,800 Pico is carefully swapped from one doting parent 174 00:12:43,040 --> 00:12:44,040 to the other. 175 00:12:44,120 --> 00:12:46,120 [tranquil music continues] 176 00:12:51,040 --> 00:12:54,640 And given a much-needed meal. 177 00:12:59,120 --> 00:13:01,120 After one last look at his son... 178 00:13:03,840 --> 00:13:06,920 it's Dad's turn to make the epic journey to sea 179 00:13:07,000 --> 00:13:09,280 to stock up on supplies for Pico. 180 00:13:09,360 --> 00:13:11,360 [tranquil music continues] 181 00:13:15,600 --> 00:13:17,600 [tranquil music fades] 182 00:13:17,680 --> 00:13:21,080 [penguins chirp] 183 00:13:22,840 --> 00:13:26,240 With both devoted parents working as a tag team, 184 00:13:27,400 --> 00:13:32,120 it doesn't take long for Pico to more than double in size. 185 00:13:32,200 --> 00:13:33,840 [tranquil music plays] 186 00:13:34,840 --> 00:13:35,840 [penguin chirps] 187 00:13:39,680 --> 00:13:40,680 [penguin chirps] 188 00:13:41,200 --> 00:13:44,760 His mom's feet don't seem quite as big as they used to. 189 00:13:47,400 --> 00:13:49,400 [tranquil music fades] 190 00:13:49,480 --> 00:13:51,480 [jaunty music plays] 191 00:13:52,080 --> 00:13:55,320 He should now be mixing with other chicks his age. 192 00:13:56,720 --> 00:14:00,840 But Pico is in no hurry to leave his mom. 193 00:14:00,920 --> 00:14:04,040 [penguin chirps] 194 00:14:05,600 --> 00:14:07,280 [penguin chirps] 195 00:14:08,640 --> 00:14:10,760 [jaunty music continues] 196 00:14:11,680 --> 00:14:14,720 Time for a little persuasion. 197 00:14:16,720 --> 00:14:20,400 [penguins chirp] 198 00:14:21,000 --> 00:14:24,920 Cautiously, he approaches two chicks on their own, 199 00:14:26,840 --> 00:14:29,480 but they don't seem keen to make friends. 200 00:14:30,080 --> 00:14:31,000 [penguin chirps] 201 00:14:31,080 --> 00:14:33,080 [gentle music plays] 202 00:14:33,720 --> 00:14:38,320 No chick finds it easy to stand on their own two feet. 203 00:14:39,480 --> 00:14:41,480 [gentle music continues] 204 00:14:42,720 --> 00:14:46,880 But there comes a time in each one's life when they have to be brave. 205 00:14:47,600 --> 00:14:50,800 And for Pico, that time is now. 206 00:14:50,880 --> 00:14:52,880 [jaunty music plays] 207 00:14:54,520 --> 00:14:56,520 His mom is going to sea 208 00:14:57,120 --> 00:15:00,560 and leaving him in a nursery for the very first time. 209 00:15:01,680 --> 00:15:03,600 [jaunty music plays] 210 00:15:19,640 --> 00:15:22,160 First days are always daunting. 211 00:15:22,240 --> 00:15:23,800 [tense music plays] 212 00:15:23,880 --> 00:15:27,520 And he hasn't been apart from Mom or Dad since he was born. 213 00:15:27,600 --> 00:15:31,400 [penguin chirps] 214 00:15:31,480 --> 00:15:33,480 [tranquil music plays] 215 00:15:37,520 --> 00:15:39,680 With his mom's gentle encouragement, 216 00:15:41,560 --> 00:15:46,120 this little chick takes his first big step to independence. 217 00:15:46,200 --> 00:15:47,760 [tranquil music continues] 218 00:15:52,240 --> 00:15:55,000 One last glance back at Mom... 219 00:15:57,080 --> 00:16:00,600 and Pico is accepted into the gang. 220 00:16:00,680 --> 00:16:02,040 [tranquil music continues] 221 00:16:03,800 --> 00:16:06,560 From now on, he'll spend weeks at a time 222 00:16:06,640 --> 00:16:09,040 in the world's coldest boarding school, 223 00:16:09,680 --> 00:16:13,520 huddling with his newfound friends for warmth. 224 00:16:14,560 --> 00:16:15,800 [tranquil music fades] 225 00:16:16,760 --> 00:16:20,040 Pico couldn't have had a tougher start in life. 226 00:16:20,120 --> 00:16:24,200 [wind rushes] 227 00:16:24,280 --> 00:16:26,280 [tranquil music plays] 228 00:16:29,240 --> 00:16:32,160 But thanks to his parents' tireless efforts, 229 00:16:32,680 --> 00:16:34,560 he's made it to spring. 230 00:16:34,640 --> 00:16:36,560 [penguin chirps] 231 00:16:38,440 --> 00:16:42,800 Soon, he'll be strong enough to fend for himself out at sea. 232 00:16:42,880 --> 00:16:44,880 [tranquil music continues] 233 00:16:47,840 --> 00:16:50,480 With parents as devoted as Pico's, 234 00:16:50,560 --> 00:16:54,520 even the coldest homes can feel warm. 235 00:16:55,160 --> 00:16:57,440 [penguin chirps] 236 00:16:59,200 --> 00:17:01,280 [tranquil music fades] 237 00:17:05,200 --> 00:17:07,200 [foreboding music plays] 238 00:17:09,200 --> 00:17:12,560 In Iceland, the weather is beginning to turn. 239 00:17:14,880 --> 00:17:16,640 Winter is coming. 240 00:17:16,720 --> 00:17:18,160 [foreboding music continues] 241 00:17:20,320 --> 00:17:23,800 And Silver and her brothers urgently need to put on weight. 242 00:17:28,120 --> 00:17:30,720 Silver's mom is scavenging what she can... 243 00:17:30,800 --> 00:17:34,640 [pups squeal] 244 00:17:34,720 --> 00:17:38,200 ...but it's not enough to fatten up four pups. 245 00:17:41,240 --> 00:17:42,640 With pushy brothers, 246 00:17:44,280 --> 00:17:46,080 Silver gets almost nothing. 247 00:17:51,040 --> 00:17:52,240 Resourceful as ever, 248 00:17:52,960 --> 00:17:56,000 she's finding other ways to keep hunger at bay. 249 00:17:56,080 --> 00:17:58,080 [gentle music plays] 250 00:18:00,440 --> 00:18:01,520 Crowberries. 251 00:18:03,240 --> 00:18:05,400 Small, but nutritious. 252 00:18:05,480 --> 00:18:07,480 [gentle music continues] 253 00:18:13,120 --> 00:18:15,200 And that's not all she's spotted. 254 00:18:16,920 --> 00:18:18,920 [gentle music continues] 255 00:18:20,720 --> 00:18:24,920 In the distance, her dad has made a big discovery. 256 00:18:26,360 --> 00:18:31,880 [birds squawking] 257 00:18:33,640 --> 00:18:35,720 A bay full of birds 258 00:18:36,960 --> 00:18:38,640 that belongs to no one. 259 00:18:44,280 --> 00:18:48,600 But a fast-flowing, icy river stands between him 260 00:18:48,680 --> 00:18:51,320 and the answer to his family's problems. 261 00:18:51,400 --> 00:18:53,400 [dramatic music plays] 262 00:18:59,600 --> 00:19:02,680 He plucks up courage and takes the plunge. 263 00:19:02,760 --> 00:19:04,760 [dramatic music continues] 264 00:19:11,160 --> 00:19:14,440 Arctic foxes are not natural swimmers. 265 00:19:14,520 --> 00:19:16,520 [dramatic music continues] 266 00:19:20,080 --> 00:19:23,200 This is a last resort for Silver's dad. 267 00:19:25,920 --> 00:19:27,920 [dramatic music swells] 268 00:19:36,440 --> 00:19:38,440 [dramatic music fades] 269 00:19:40,480 --> 00:19:41,880 First hurdle over. 270 00:19:43,360 --> 00:19:45,720 Now for the reason he's here. 271 00:19:47,560 --> 00:19:49,560 [jaunty music plays] 272 00:19:56,280 --> 00:19:59,640 In his desperation, Silver's dad blows it. 273 00:19:59,720 --> 00:20:00,920 [jaunty music continues] 274 00:20:02,720 --> 00:20:04,360 He tries another tack. 275 00:20:11,200 --> 00:20:12,920 He has plenty of enthusiasm. 276 00:20:13,440 --> 00:20:15,400 What he needs is stealth. 277 00:20:15,480 --> 00:20:17,480 [jaunty music continues] 278 00:20:21,640 --> 00:20:23,120 [jaunty music stops] 279 00:20:23,200 --> 00:20:26,320 On the opposite bank, Silver takes it all in. 280 00:20:26,400 --> 00:20:28,520 [tense music plays] 281 00:20:31,360 --> 00:20:32,920 Her dad's not giving up. 282 00:20:33,000 --> 00:20:35,000 [tense music continues] 283 00:20:40,920 --> 00:20:42,920 [tense music crescendos] 284 00:20:45,640 --> 00:20:48,320 Finally, his persistence wins out. 285 00:20:48,400 --> 00:20:49,880 [tranquil music plays] 286 00:21:11,520 --> 00:21:14,560 Silver's first decent meal in weeks, 287 00:21:15,640 --> 00:21:17,400 all to herself. 288 00:21:20,560 --> 00:21:22,560 [upbeat music plays] 289 00:21:23,800 --> 00:21:26,440 But her dad has three hungry boys too. 290 00:21:27,920 --> 00:21:30,080 [tranquil music plays] 291 00:21:31,080 --> 00:21:32,880 He rings the dinner bell. 292 00:21:32,960 --> 00:21:33,960 [fox yelps] 293 00:21:35,440 --> 00:21:36,440 [fox yaps] 294 00:21:40,760 --> 00:21:42,400 [pups squeal] 295 00:21:43,920 --> 00:21:47,240 The boys arrive as Dad takes the plunge for the second time. 296 00:21:51,760 --> 00:21:55,760 Silver knows she won't get a look-in when her dad brings back the next meal. 297 00:21:59,320 --> 00:22:00,840 There's only one thing for it. 298 00:22:03,920 --> 00:22:05,920 [uplifting music plays] 299 00:22:10,000 --> 00:22:12,160 She's never swum in her life before, 300 00:22:13,480 --> 00:22:16,360 but Silver does the seemingly impossible. 301 00:22:19,920 --> 00:22:24,120 Braving icy water and strong currents to follow her dad. 302 00:22:25,120 --> 00:22:27,280 [uplifting music continues] 303 00:22:36,560 --> 00:22:38,880 Before Silver reaches the other side, 304 00:22:39,400 --> 00:22:42,080 her dad makes his second kill. 305 00:22:42,160 --> 00:22:44,280 [uplifting music continues] 306 00:22:45,160 --> 00:22:49,360 At last, a good-sized meal for his sons. 307 00:22:49,440 --> 00:22:51,560 [uplifting music continues] 308 00:22:53,960 --> 00:22:56,320 [foxes squeal] 309 00:22:56,400 --> 00:22:59,040 While the boys wrestle it out between themselves... 310 00:23:02,160 --> 00:23:03,240 across the river, 311 00:23:04,760 --> 00:23:06,720 Silver stays focused. 312 00:23:06,800 --> 00:23:08,800 [tense music plays] 313 00:23:10,040 --> 00:23:13,160 A kittiwake distracted by a falcon. 314 00:23:17,160 --> 00:23:18,400 It's Silver's chance. 315 00:23:18,480 --> 00:23:20,040 [tense music crescendos] 316 00:23:23,160 --> 00:23:24,080 She's done it. 317 00:23:24,160 --> 00:23:26,160 [tranquil music plays] 318 00:23:30,720 --> 00:23:33,680 Even the falcon she takes in her stride. 319 00:23:33,760 --> 00:23:35,760 [tranquil music continues] 320 00:23:39,520 --> 00:23:41,400 Her first-ever kill. 321 00:23:41,480 --> 00:23:43,560 [tranquil music continues] 322 00:23:50,120 --> 00:23:54,600 Between them, Silver and her father have changed the family's fortunes. 323 00:23:56,600 --> 00:24:00,240 They have all the skills they need to survive the winter ahead. 324 00:24:03,600 --> 00:24:05,840 It's true some things never change. 325 00:24:05,920 --> 00:24:08,280 [tranquil music continues] 326 00:24:08,360 --> 00:24:12,320 After all, you can't have brothers and not expect to be teased. 327 00:24:15,680 --> 00:24:20,440 But Silver has proved that she's one exceptional sister... 328 00:24:20,520 --> 00:24:22,520 [tranquil music continues] 329 00:24:24,920 --> 00:24:29,240 ...who's got what it takes to make it in her hostile home. 330 00:24:32,800 --> 00:24:34,880 [tranquil music fades] 331 00:24:38,320 --> 00:24:40,320 [foreboding music plays] 332 00:24:40,880 --> 00:24:43,040 On the dried-out plains of Zambia, 333 00:24:43,560 --> 00:24:45,800 baby of the family, Minnie, 334 00:24:45,880 --> 00:24:50,000 is weak from hunger and struggling to keep up with her pride. 335 00:24:56,360 --> 00:24:59,560 The family has at last bagged a small meal. 336 00:25:01,040 --> 00:25:03,560 Their first in four days. 337 00:25:03,640 --> 00:25:05,600 [lions growl] 338 00:25:07,280 --> 00:25:09,760 Minnie finally catches up. 339 00:25:09,840 --> 00:25:11,840 [tranquil music plays] 340 00:25:14,120 --> 00:25:17,840 But she's not confident or pushy enough to muscle in. 341 00:25:17,920 --> 00:25:19,320 [tranquil music continues] 342 00:25:24,840 --> 00:25:26,920 Lions need courage, 343 00:25:27,800 --> 00:25:30,960 and Minnie must learn to be much more assertive 344 00:25:31,040 --> 00:25:32,320 if she's to survive. 345 00:25:33,440 --> 00:25:35,440 [tranquil music fades] 346 00:25:35,520 --> 00:25:39,600 Especially as her home has just become more hostile. 347 00:25:44,160 --> 00:25:45,360 A mile upriver, 348 00:25:46,920 --> 00:25:49,400 the nomadic males are moving in. 349 00:25:49,480 --> 00:25:51,080 [tense music plays] 350 00:25:58,320 --> 00:26:02,640 Scent marking is a sure sign that they mean to take over. 351 00:26:05,000 --> 00:26:09,240 [lion growls] 352 00:26:11,240 --> 00:26:14,720 The intruders' roars are a red flag for Minnie's family. 353 00:26:15,760 --> 00:26:17,320 [tense music plays] 354 00:26:19,400 --> 00:26:22,480 They must get the cubs into hiding before dark. 355 00:26:22,560 --> 00:26:24,800 [tense music continues] 356 00:26:24,880 --> 00:26:29,360 Especially Minnie, whose life has never been more in danger. 357 00:26:29,440 --> 00:26:31,440 [tense music continues] 358 00:26:35,840 --> 00:26:37,840 [tense music fades] 359 00:26:37,920 --> 00:26:43,440 [growling] 360 00:26:44,160 --> 00:26:47,800 [growling] 361 00:26:48,320 --> 00:26:49,800 [ominous music plays] 362 00:27:13,280 --> 00:27:14,760 [ominous music fades]