If current server doesn't work please try other servers below.
Season 4

Watch Dinosaur Train Season 4 Episode 4 Online for Free
Overview:
Join Buddy, a Tyrannosaurus Rex, and his adoptive Pteranodon family on a whimsical voyage through prehistoric jungles, swamps, volcanoes and oceans, as they unearth basic concepts in life science, natural history and paleontology.