Discover the evolutionary secrets of some of the world’s most majestic creatures. From voracious crocodiles and acrobatic birds to stupendous whales and majestic elephants, this documentary follows top scientists on a global adventure as they follow clues from the fossil record and change what we thought we knew about the evolution of iconic beasts.
Unfortunately the movie When Whales Walked: Journeys in Deep Time is not yet available on HBO Max.
| Directing | Chad Cohen | Director |
| Production | Michael Rosenfeld | Executive Producer |
| Production | Graham Townsley | Executive Producer |
| Production | Francis Ramirez-O'Shea | Line Producer |
| Production | Chad Cohen | Producer |
