There's only one film that can take place underwater, that includes bad acting and a puzzling compulsion to include reality stars but still finds a way to be a good time. That film is Into the Blue 2: The Reef. Listen as your hosts discuss at which second in the first minute or so of the film they knew the kind of movie they were dealing with, how the macguffin of this sequel isn't the real macguffin and the actual macguffin is barely seen at all and a discussion about why harpoons are needed at all if guns can fire underwater.