Secrets of Shark Island

Smithsonian Channel

Wednesday 13 October 2021  23:00 - 00:00 (60 mins)
At a tiny island called Socorro, 200 miles off the Mexican coast, sharks school in numbers almost too great to count. It's a spectacular undersea world with giant manta rays and aggressive moray eels.

Secrets of Shark Island (Smithsonian Channel) Wednesday 13 October 2021 23:00 - 00:00