다음 채널에서 시청 가능: Philo, Prime Video, discovery+, Hulu, Sling TV, HBO Max
시즌 6, 에피소드 6: When NASA begins a strange experiment to communicate with dolphins, experts investigate if it's a prelude to making alien contact. But some fear that such a discovery could have apocalyptic consequences.
Documentary · 2019년 5월 16일 · 42분