From PBS KIDS - Dinos A to Z, Part Three, Classification: The Pteranodon family rides the Dinosaur Train - now with extra cars attached -- as it continues picking up more dinosaurs that are in the `Dinosaurs A to Z' song. The Pteranodon family reunites with some dinosaurs they've met before, and are introduced to species they've never met! Dinos A to Z, Part Four, A to Z Picnic: The Pteranodon family is on the Dinosaur Train, now very crowded with all 26 dinosaurs mentioned in the `Dinosaurs A to Z' song. The Train has added more extra cars than it ever has, and there's even an additional engine to help pull the Train to Troodon Town.
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