Dino Pops S01E22 - A Three-Horn Dino and the Cuties of the Jurassic Era - Mussaurus

Way back in the late Cretaceous period, there was a rhinoceros-like Triceratops with three special horns; a visit to the Jurassic era features a cute baby Mussaurus, a tea-cup size Fruitadens and the Dilophosaurus.