When Penelope and her Mom take Trek camping, they wake up to find that something's messed up their campsite. Trek thinks it was a dino. But which dino?! It's up to Trek and Penelope to track it and find out!
Trek goes fishing with Grandma and discovers a baby Spinosaurus taking his fish! Trek realizes its Mom isn't around so he teaches the Spinosaurus to catch its own fish.
It's Friendship Day and Trek discovers an Amargasaurus showing off for another Amargasaurus. Trek wants to figure out what they're doing.
While Liam babysits Trek, Trek has to do some dino-sitting of his own when a baby Albertosaurus, baby Brachiosaurus and a baby Spinosaurus find their way inside. It's up to Trek to get them out of his house before they turn it into a huge mess!
Trek goes to the beach with Mom and Grandma and is determined to figure out Dino Experiment 410, "How does the Deinosuchus get its food?" Luckily for Trek, he soon sees the Deinosuchus!
Trek visits Bobby and his father at Mr. Caparaz's work - a robotics laboratory. Trek spots a Dromaeosaurus guarding its nest outside. Trek sees one of the Dromy's eggs get stolen and enlists the help of multiple robots to return the egg to its nest!
When Trek goes to Bobby's for a camp out sleepover he tries to help Bobby and Bobby's Dad figure out who's been eating the vegetables out of their garden. Bobby and his Dad think it was a raccoon but Trek knows better...it was a prehistoric creature - the nocturnal kind!
Trek wants to know if the Microraptor used its wings to fly. Luckily, Hannah and Trek are practicing trapeze at Hannah's Dad circus school and the trapeze act will help them figure it out.
During an indoor game of hide-and-seek with his friends and Grandma, Trek discovers that Microraptors use their natural abilities to hide with the best of them!
When Trek gets a guided tour of the Royal Ontario Museum from Dr. David Evans, he enlists the paleontologist's help to figure out who would win in a stand-off, the Giganotosaurus or the T-rex?
Trek's class has a new Australian exchange student named Robert who loves dinosaurs just as much as Trek does. When Robert's fossil goes missing, Trek and Robert know who took it... a dinosaur called the Ozraptor!
Trek's rushing to make a Mother's Day craft for his Mom when he discovers a Momma Triceratops who's lost her baby. It's up to Trek to finish his craft and reunite the Triceratops with her baby by the time his Mom comes to get him.
While Trek waits for his loose tooth to fall out, he finds a baby dinosaur tooth in the house and decides to figure out which baby dino it belongs to so that it can get a visit from the Dino Tooth Fairy!
Trek tells a story to Hannah, Bobby, and Penelope about what it would be like to have dinosaurs as pets and they all figure out that dinosaurs wouldn't make very good pets at all.
Before Grandma heads south for the winter, she and Trek create a comic book about three pterosaur babies who get lost on their migration south and the cave-people superheroes that save them: Tyrannosaurus Trek and Quetza Grandma!
Ms. Carver organizes an egg hunt for her class which gives Trek a chance to solve "Dino Experiment 419 - do the Compsognathus, Dromaeosaurus and Albertosaurus eat eggs?" and learn about what different carnivores eat.
When Grandma takes Trek swimming in an indoor pool, Trek teaches a baby Plesiosaur how to swim across the pool and back to its Mom.
At an indoor Go-Kart Track, the kids learn about dinosaur speeds when Trek tells a story about kids in go-karts who raced dinosaurs!
When Mom takes Trek and Penelope to Marineland, Trek gets so excited he imagines what it would be like if there was a show with prehistoric marine reptiles!
When Hannah and Trek take an after school art class with Hannah's Dad, Trek decides to use sculpture to see just how different Dino footprints can be.
When Trek and Bobby play video games, they imagine themselves into a dinosaur-based video game and learn that, for the dinosaurs in the Dromaeosaurid/Raptor family, teamwork can be the difference between winning and losing!
Ms. Carver organizes an egg hunt for her class which gives Trek a chance to solve "Dino Experiment 419 - do the Compsognathus, Dromaeosaurus and Albertosaurus eat eggs?" and learn about what different carnivores eat.
When Grandma takes Trek swimming in an indoor pool, Trek teaches a baby Plesiosaur how to swim across the pool and back to its Mom.
When Penelope gets stage fright before the school talent show where she, Trek, Hannah, and Bobby will be performing an original song "What's Your Favorite Dinosaur?" Trek tells her to imagine the audience as dinosaurs...and it works!
At bedtime, Mom reads Trek "The Wonderful Wizard of Oz". Trek drifts off and ends up in "The Land of Dinoz" where he meets new pals the Scare-Troodon (Penelope), the Tin-Dromaeosaurus (Bobby) and the Cowardly Stygimoloch (Hannah). Together, they all head off to see the wizard and save him some wicked dinosaur skeletons.