During a visit from their friend Mikey Microraptor, the kids go looking for a...
Dinosaur Train
Season 5 Episode 2: How Many Horns?
Tank Triceratops , who has 3 horns, wonders why Mayor Kosmoceratops has 15, and Protoceratops has only 1. The kids go on a quest to track down Ceratopsians with horns.