As crocodiles and hippos crowd one of the few remaining waterholes, chaos erupts and threatens the life of a baby hippo. - [Narrator] It's unheard of for crocodiles and hippos to mingle so closely.

Hippos and crocs have lived side by side for millennia, but are they cozy bedfellows or arch-enemies? One is a hefty herbivore, the other is the most successful freshwater predator on the planet ...