Ms. Carver's class gets a new addition in the form of mystery eggs and Dan just knows one of them is a dinosaur egg.
When Trek and Tristan find a bone in the schoolyard, Dan uses a paper-mache skull in Mrs. Hahn's art class to figure out if it came from the Stygimoloch.
Dan makes a mask in Mrs. Hahn's art class to get closer to the Edmontosaurus herd but he needs Angie's help too.
Dan uses the French Horn to communicate with a couple Corythosauruses.
At bedtime, Dan is far more interested in proving that there's a Compsognathus under his bed than in going to sleep.
In art class, Dan and his friends are making a kite inspired by the Quetzalcoatlus. The big question is... will it fly?
A routine visit to the Dentist's office becomes a dinosaur experiment when Dan learns how dinosaur teeth shape can help prove if a dinosaur is a herbivore or a carnivore.
Kami, Ricardo and Dan learn that dino gas might have helped cause the extinction of the dinosaurs and can't wait to share that info with the class.
Dan figures out which dinosaur left a prehistoric coprolite with the help of his friends, Jim the Reptile Expert and Denny the Dromaeosaurus.
Kami, Ricardo and Dan learn that dino gas might have helped cause the extinction of the dinosaurs and can't wait to share that info with the class.
Dan figures out how to prove if dinosaurs were warm-blooded from Jim the reptile lizard expert and his puppet Denny the Dromaeosaurus.
Dan wants to see the Euoplocephalus use its powerful tail while Trek wants to see it snow. Can both Henderson boys get their wish?
When a Pterodactylus gets stuck in the house it's up to Dan, Mom, Angie and Trek to get it out.
Dan uses the art of disguise to get his Remote Dino Cam into a Triceratops nest but the real test comes when a T-rex threatens the safety of the babies.
Dan teaches a baby Triceratops defensive moves to help it get around a meat-eating Spinosaurus.
When Cory's snack goes missing, Dan knows who took it... a Dromaeosaurus.
The school bus has a huge dent in it. Dan has three suspects: the Euoplocephalus, the Stegosaurus or the Stygimoloch.
When a T-rex backs down from a Triceratops, Dan learns that there's more to the T-rex than he knew. It's a hunter and a scavenger!
Dan tries to save his Mom's garden from a sneaky Compsognathus by dino-trapping it but ends up trapping a baby T-rex instead.
The school bus has a huge dent in it. Dan has three suspects: the Euoplocephalus, the Stegosaurus or the Stygimoloch.
Dan learns how dinosaurs get their names when he discovers what he thinks is a new dinosaur but is actually the Diplodocus.
While at the park with Uncle Jack, Dan finds a feather that he thinks belongs to a Dromaeosaurus. But, before he can prove it, his dog Doug goes missing. Uh-oh.
Jim the Reptile Expert returns to Ms. Carver's class with a Chameleon promoting Dan to question if the Stegosaurus could change the colour of its plates.
The kids make a stop motion animation movie for art class that features the T-rex but Angie and Dan can't seem to agree about certain T-rex "facts".
Christmas Special - Dan takes the poem "The Night Before Christmas" and gives it a dinosaur spin.
With the help of his substitute teacher Mr. Paluxy, Dan uses acting to figure out why some herbivores flee from carnivores while some stay and fight.
Dan teaches Uncle Jack how to fish like dinosaurs and pterosaurs.
When Dan goes to the grocery store with Mom, it's up to Doug to save a newly hatched baby Edmontosaurus from a Dromaeosaurus.
Dan is trying to track a Stegosaurus when Trek wants to join his game. Dan learns sometimes two brains are better than one.
During a camp out in his backyard with Cory and Ricardo, Dan learns whether or not the T-rex was nocturnal.
Dan tells a story of two cave-men, who look a lot like Cory and Ricardo, and their quest to catch a baby T-rex and keep it as a pet.
Dan's Police Officer Mom comes to school and Dan uses some of his Mom's cool police gear to find out how fast the Dromaeosaurus could run.
It's Dan's birthday and Mom and Trek have a dinosaur surprise for him: a dino scavenger hunt with all his friends!
Dan teaches Trek how to ride a bike and teaches a baby Pterodactylus how to fly.
During gym class, Dan races a T-rex and a Spinosaurus to see who's the faster carnivore.
When Grandma takes Dan to the zoo, Dan finds a baby T-rex and tries to get it back to its Mom.
Dan tells a detective story with Ricardo as a dinosaur detective, Kami as a dame in distress and Cory as the butler. Who did it? Dinosaurs.
In gym class, Dan learns a bit about teamwork and planning from the Dromaeosauruses when he and his friends play Mr. Drumheller in a friendly came of basketball.
Dan builds a watering hole that attracts three baby dinos into his backyard, too bad he and Trek are stuck inside cleaning their rooms.
Dan learns how to make his gym class dance unit fun by incorporating different dinosaur movements into his dance routine.
Dan tells the story of how the brave pirate Captain Cory, his first matey Jordan, and his pirate cook Ricardo find treasure on Dino Island.
Grandma takes Dan and Trek Go-Karting and Dan figures out which herbivore is the fastest: the Stygimoloch, the Triceratops or the Edmontosaurus.
Dan, Kami, Jordan and Uncle Jack build a sand castle and learn that some dinos were a lot like construction vehicles.
Dan explores dinosaur sounds when he tries to get a Triceratops snort on tape.
When Dan goes mini-golfing with Cory and his Dad some pesky dinosaurs steal Dan's lucky ball and Dan has to get it back.
Based on the Three Little Pigs, Dan tells the story of The Three Little Paleontologists Kami, Jordan and Angie and what material would make the best dino-watching fort.
Uncle Jack takes Dan and Trek bowling and Dan protects some Stygimoloch eggs from two hungry Dromaeosauruses.
Dan finds a large dinosaur tooth and tries to figure out if it belongs to a T-rex or a Spinosaurus with the help of his vet.
When Grandma takes Dan to the farm, he finds some downy feathers and sets out to prove that it belongs to the Compsognathus.
Cory and his Dad build a time machine out of a refrigerator box and it inspires Dan to tell the story of when Time Traveller Cory and his robot D.A.D. travelled to the time of the dinos.
While Dan and his friends have a sleepover at the Royal Ontario Museum, Dan has to get a T-rex claw back from some wiiy dinosaurs before the museum opens in the morning.
Bobby gifts the Hendersons a dog treat dispenser for Doug, and sets to work with Mrs. Henderson to train the pug on using it. Trek, meanwhile, busies himself with teaching a baby T-rex how to hunt, dodge and scavenge.
With the help of his grandma, Trek imagines himself as a comic book superhero saving the dinosaurs from and erupting volcano.
On Trek's birthday costume party, he has to choose which dinosaur to make his new costume.
While at a climbing gym with his mom and Bobby, Trek tests to see which dinosaur is the best climber.
Trek tells a spooky story when his friends come over for a movie night, starring himself, as well as Hannah and Bobby as a spoof of the Ghostbusters solving a case at a mansion (owned by a noblewoman played by his mom) infested with dinosaurs (snuck in by Penelope, who is the building's maid).
When Dan sends Trek his dino gear and an upgraded field guide, Trek finds himself able to see dinosaurs like his brother did, and sets off to continue Dan's latest experiment with an Albertosaurus.
Trek's class is having a scavenger hunt involving the five senses, and he plans on winning with the help of the dinosaurs.
Trek decides to figure out who is the smarter dinosaur, the Dromaeosaurus or the Troodon.
Trek imagines himself as a Troodon to best describe it's supreme abilities.
Trek's grandma decides to have a barbeque dinner night. Unfortunately, Trek hid dino bait all over the backyard, and they think the burgers meant for his dinner is more bait.
Trek's class is having a show and tell, but he forgot to bring something. Deciding a Psittacosaurus quill would be an ideal item, he sets off on quest to get one.
While flying model helicopters with Hannah and her father, Trek sets out to learn all there is about the Pterodaustro.
Trek tells the tale of Trekules, a version of himself crossed with the ancient greek mythological figure Hercules who fought off against dinosaurs after gaining the proper knowledge.
Trek tries using a Dromaeosaurus cast to get a Dromaesaurus to knock multitude of objects down from the roof of their garage, and Penelope's knowledge of different bird calls is potentially his key to success.
Doug starts hiding multiple things around the Henderson household, and while Hannah and his mom pry for clues inside the house, Trek finds out how a Therizinosaurus uses it's claws while looking through his backyard for clues.
Trek sets out to find out what the Microraptor eats, but his mom is cleaning the house, and his traps keep getting set off by anyone but the intended catch.
Bobby's dad takes the friends out to see a meteor shower, and the friends are soon learning how all sorts of prehistoric creatures have managed to survive the meteorite crash that wiped out the dinosaurs.
