本集介绍： BBC Earth星球系列年度巨制《冰冻星球II》(Frozen Planet II) 在第一季播出11年后重磅回归。由大卫·爱登堡爵士（Sir David Attenborough）担纲解说，引领观众前往地球上的极寒之地，在冰原、在极地、在白雪皑皑的高耸山巅，与野生 动物们一同面对极端环境和全球气候变化带来的挑战，见证生命的脆弱与坚毅。
南北两极、白雪覆盖的森林和北方的平原、遥远的山脉，这些地方有着奇妙而多样化的生态系统，似乎尚未受到人类活动的直接影响。在与世隔绝的地方，有着神秘的顶级猎手：狼群在广阔的雪原上狩猎巨大的野牛，虎鲸将追踪猎物的独门秘籍代代相传，行踪诡秘的东北虎在洁白的雪地上悄然走过……《冰冻星球II》记录下了这些神奇动物的隐秘生活，也揭示了迫在眉睫的剧变。
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