Dinosaur Train - Season 1 - Eps 23: One Small Dinosaur
Mrs. Pteranodon takes Buddy and Tiny to visit a Microraptor named Mikey. Microraptors were one of the smallest dinosaurs ever. Tiny is annoyed that Mikey is even smaller than she is, but Mikey looks up to Tiny as a role model.
About Dinosaur Train

Title: Dinosaur Train
First Air Date: 2009-09-07
Last Air Date: 2019-11-18
Status: Returning Series
Rating: 6.2/10 (from 37 votes)
Language: EN
Seasons: 6
Total Episodes: 200
Network: PBS Kids
Genres: Animation, Kids
Production Companies: The Jim Henson Company
Synopsis
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.