Dinosaurs in the Snow - Buddy and his Pteranodon family ride the Dinosaur Train to the North Pole - where it's cooler out and the skies are dark all winter long! The kids get to play in the snow and slide on a frozen pond for the first time.Cretaceous Conifers - The whole Pteranodon family have fun celebrating Mom's favorite holiday, Winter Solstice. They learn about large conifer (evergreen) trees and help decorate them at a holiday party.

Mom takes the kids on a playdate with Tank Triceratops to the desert, where they meet a distant relative of Tank's, an early Ceratopsian named Penelope Protoceratops. The Conductor points out that Penelope lives in a part of the world that gets a lot of earthquakes, and sure enough, the kids experience their first quake with Penelope. Mom and the Conductor have prepared the kids with excellent advice about what to do in an earthquake, so everyone does fine.When the family rides the Dinosaur Train, they learn that a new car has been added - a Nursery Car, with dozens of eggs in little, padded nests, attended by their expectant moms and dads. The kids watch the eggs hatch, and try to guess which hatchling goes with which dinosaur parent.

The long-awaited rains finally return to Pteranodon Terrace, but grow into a huge rainstorm that grows even bigger - into a hurricane! Dad hasn't seen it blow like this since he was a kid. They seek shelter, and Don discovers an entrance to a cave below their nest, where not only the Pteranodons, but also their other neighbors, the Lambeorsaurus family and Cindy Cimolestes, all take shelter for the night. In the morning, the storm has passed, but everyone must pitch in to rebuild their various nests.The family is cleaning up the mess left over from the hurricane, and discover that a raft of logs has washed up two refugees from across the Western Interior Sea - a turtle named Aidan Adocus, and a small mammal named Tommy Ptilodus. Our family learns of their adventure, crossing the sea in the storm, and washing up at Pteranodon Terrace. They decide to take their new friends to the Dinosaur Train, and ride back with them to their home in Appalachia.

When the Pteranodon family takes the Dinosaur Train under the sea to visit their friend Elmer Elasmosaurus, they learn that the Elasmosaurus family is going away from the station to follow their food, the fish. Buddy wants to follow, but the train tunnel doesn't go that way - so the Conductor decides to take the family in a brand-new invention, the Dinosaur Train Submarine! On their journey, they meet a marine reptile called Otto Opthalmosaurus, who guides the submarine deeper than it's ever been, and even helps them find their way out of a sea cave.During a day at Troodon Town Music Festival, the Pteranodon family and King Cryolophosaurus hear a wonderful singer named Crystal Cryolophosaurus. King is very interested in becoming friends with Crystal, another dinosaur of his species, but he gets very nervous when trying to talk to her. Tiny and Buddy help King overcome his nervousness, and he and Crystal end up friends who happily sing together.

Beating the Heat - Buddy and Tiny travel to the Jurassic to make a new friend, Morris Stegosaurus, and discover how this huge dinosaur keeps cool in the heat.Flowers for Mom - The kids go to the Big Pond to look for flowers to give to Mom on her special Mothers Day. They find many different flowers while following a very busy bee.

Tiny wakes up feeling a little sad. When asked why, she can't really explain it: "Sometimes I just feel sad." To cheer her up, Shiny decides to show her how much she loves her. It goes over so well it starts a love-sharing chain reaction, as one by the one the Pteranodon Family gets in the on the action! / After Tiny, Shiny, Buddy, and Don are feeling "over-burdened" by chores and requests for help with small things from Mom and Dad - basically the kids just want to play - a plan is hatched. Mom and Dad come up with a fun scavenger hunt in the nest area that cleverly has the kids doing their chores even as they play. The hunt includes simple riddles the kids have to solve. Mom and Dad have certain items to be hunted for that involve cleaning up an area first, etc. (Note: it's the beginning of Autumn, so some leaves are changing colors, others are falling.) A surprise last scavenger clue brings the family to the Dinosaur Train to consult with the Conductor and have a Dining Car dinner.

I'm a T. rex! - Buddy travels to Rexville on the Dinosaur Train and meets Delores Tyrannosaurus and her daughter Annie. When he sees that he shares all the same features, Buddy learns that he is a Tyrannosaurus rex!Ned the Quadruped - Buddy and Tiny tour the Dinosaur Train and earn their Junior Conductor hats while their friend Ned, a four-legged, long-necked Brachiosaurus and regular Train rider, tags along.

Valley of the Stygimolochs - Buddy wonders if he'll grow horns when he gets older, so Mrs. Pteranodon takes him to visit some dinosaurs called Stygimoloch, who have really impressive horns.Tiny Loves Fish - After Mr. Pteranodon teaches the kids his fishing method, Buddy and Tiny work together as a team to catch fish in the Big Pond.

The Call of the Wild Corythosaurus - The family surprises Mom for her birthday with a trip to a concert given by Cory and her family of Corythosaurus, who play music through the crests on their heads.Triceratops for Lunch - Our Pteranodon family eats lunch with their friend Tank Triceratops and discover that he and his family are all plant-eaters, with great leaf-eating teeth and giant appetites!

One Smart Dinosaur - Buddy and Tiny want to test their memory, so they ride the Dinosaur Train and spend some time with the Conductor, since he's a Troodon with a great memory. The kids get to meet the Conductor's mom, Mrs. Conductor.Petey The Peteinosaurus - Buddy and Tiny ride the Dinosaur Train to meet Petey Peteinosaurus, a "flying lizard," who is fun, funny, and friendly, and has some features similar to both Buddy and Tiny!