Airs on PBS August 31-September 2, from 8:00-9:00 p.m. ET, with a second live feed each night from 8:00-9:00 p.m. PT. Scientists, filmmakers, photographers and other experts will come together for two weeks in late August to film some of the world’s most charismatic marine creatures — humpback whales, sea lions, dolphins, elephant seals, sea otters, great white sharks, shearwaters and more.