What happens when two of the world's most deadly and ancient predators go head to head? Drawing on spectacular UGC from around the world, and the latest scientific research, shark and croc experts Dr Mike Heithaus and Dr James Nifong unpack and analyse the evidence. With growing signs crocs and alligators are pushing far out to sea and deep in to shark territory, are clashes on the rise? Director: Mark Woodward. Actors: Dan Nachtrab (Narrator - self), Mike Heithaus (Self - Marine Ecologist) (2021)