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Dinosaur Train
Season 1 • Episode 21 • Derek the Deinonychus
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Dinosaur Train Season 1, Episode 21: Derek the Deinonychus
Buddy, Tiny and Mom visit a family of Deinonychus, dinosaurs with large, sharp toe-claws. They meet a kid named Derek who uses his toe-claws to not only hunt with but to carve great art! Watch Dinosaur Train Season 1, Episode 21 Derek the Deinonychus in HD free online. Enjoy high-quality streaming of Dinosaur Train Season 1, Episode 21 and share your thoughts in the comments below!
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Episodes
80 episodes
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.
11 min
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.
11 min
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.
11 min
Triceratops for Lunch
Our Pteranodon family eats lunch with their friend Tank Triceratops and discovers that he and his family are all plant-eaters, with great leaf-eating teeth and giant appetites!
11 min
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.
11 min
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.
11 min
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!
11 min
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.
11 min
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.
11 min
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!
11 min
Fast Friends
Buddy, Tiny, and Mom ride the Dinosaur Train to meet Oren and Ollie Ornithomimus, some of the fastest dinosaurs ever! The kids love meeting the fast-moving and fast-talking twins.
11 min
T. Rex Teeth
When Buddy loses a tooth, Mom takes him to Rexville to ask his Tyrannosaurus friends all about T. rex teeth. They explain that he’ll grow new teeth to replace the old ones.
11 min
Now with Feathers!
Dad gives Tiny and Buddy a mystery feather and the kids become “detectives,” riding the Dinosaur Train to meet Valerie Velociraptor, who shows the kids what it’s like to be covered with beautiful feathers.
11 min
A Frill a Minute
The kids help Tank Triceratops overcome his awkwardness with having a huge head by showing him how cool and amazing his features are, especially his frill.
11 min
One Big Dinosaur
Tiny and Buddy visit a dinosaur family called Argentinosaurus, some of the biggest land creatures ever! The kids find out there are great things about being really big, and that it’s also great being their own size.
11 min
Play Date with Annie
Buddy is excited that his friend Annie Tyrannosaurus is coming to the Pteranodon nest to visit and play. After Tiny feels left out, Buddy and Annie show her that they can all be friends!
11 min
Armored Like an Ankylosaurus
The kids travel on the Dinosaur Train with Mr. Pteranodon to see his hero, Hank Ankylosaurus, play a game of Dinoball. Afterwards, they even get to play with Hank and learn what it’s like to be a dinosaur that is covered with armored plates and has a mighty club for a tail.
11 min
Campout!
Our Pteranodon family goes to the Big Pond for their first overnight camp out and meets a small frog with a big voice!
11 min
Laura the Giganotosaurus
Buddy spends time with Laura Giganotosaurus, a large dinosaur who always rides the Dinosaur Train and, like Buddy, is a three-toed theropod! Buddy also discovers that Laura is an avid bird-watcher.
11 min
Dinosaur Poop!
Buddy and Tiny learn that all creatures poop, even really big dinosaurs.
11 min
Derek the Deinonychus
Buddy, Tiny and Mom visit a family of Deinonychus, dinosaurs with large, sharp toe-claws. They meet a kid named Derek who uses his toe-claws to not only hunt with but to carve great art!
11 min
Don's Dragonfly
Don makes a new friend with red feet, a dragonfly named Howard.
11 min
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.
11 min
T. Rex Migration
Buddy and Tiny go to visit their friend Annie Tyrannosaurus and discover she isn’t home, so they follow clues and find her on a migration with her family.
11 min
Hootin' Hadrosaurs!
Buddy, Tiny, Shiny and Don meet Perry Parasaurolophus, a dinosaur with a crest on his head who teaches them a new way to hoot some hip music.
11 min
Surprise Party
Shiny, Tiny and Don throw a surprise party for Buddy on the Dinosaur Train and invite a whole caboose full of his friends!
11 min
The Theropod Club
Buddy’s Theropod Club meets with other dinosaurs that walk on two legs, eat meat, and have three toed feet. But Tiny feels left out until the Club invites her to join too!
11 min
Hatching Party
Buddy, Tiny and Mrs. Pteranodon attend an egg hatching party and meet their friend Cory Corythosaurus’s new brothers and sisters.
11 min
The Old Spinosaurus and the Sea
Dad takes the kids on the Dinosaur Train to fish in a new place, where they meet a huge, grumpy old dinosaur, called a Spinosaurus, that doesn’t want the kids in his sea. Eventually the kids befriend him, and they teach each other their own unique way to catch fish.
11 min
A Spiky Tail Tale
Buddy and Tiny help settle an argument between Morris Stegosaurus and Alvin Allosaurus, two very big dinosaurs – one with a very spiky tail, the other with a mouthful of sharp teeth.
11 min
Night Train
Dad, Buddy and Tiny take a special ride on the Dinosaur Train at night, learning about animals that are active after dark, culminating at the Big Pond for a nature walk under the full moon.
11 min
Fossil Fred
Buddy, Tiny and Don play “detective” and search around the Big Pond for fossils. The kids end up finding an entire skeleton of a Jurassic dinosaur.
11 min
Dinosaurs in the Snow
Buddy and his Pteranodon family ride the Dinosaur Train to the North Pole – where it’s cooler, 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.
11 min
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.
11 min
The Burrowers
The Pteranodon family rides the Dinosaur Train to meet a family of amazing, burrowing dinosaurs that live in holes and put on a “Cirque de Soleil” kind of acrobatic show every evening!
11 min
Shiny's Sea Shells
Shiny, with help from Buddy, Tiny and Don, looks for the shiniest sea shells she can find, but ends up making a new friend named Henry, a hermit crab who lives in his own shell on the beach at the Big Pond.
11 min
King Cryolophosaurus
Buddy, Tiny, Don and Mom meet a reclusive, singing dinosaur named King who has a big swooping crest on his head and a voice that sounds an awful lot like Elvis Presley.
11 min
Buddy the Tracker
Buddy and Don are “”footprint detectives”” as they track and find creatures they know at the Big Pond. The plot thickens when they discover fossilized tracks that are millions of years old!
11 min
The Old Bird
Buddy, Tiny and Mom make a play date with Petey Peteinosaurus to ride the Dinosaur Train to meet Arlene Archeopteryx, a bird from the family of the oldest birds ever! The kids are excited to learn that Arlene is a bird and a dinosaur.
11 min
Diamond Don
Shiny and Don stay at home. We get to see that just because they don’t always ride with Buddy and Tiny on the Dinosaur Train doesn’t mean that they are not having fun. An adventure into a local caves leads to a marvelous and brilliant discovery.
11 min
Dinosaur Camouflage
Buddy and Tiny learn about camouflage when they meet a shy dinosaur, Leslie Lesothosaurus, who is very good at hiding. The kids end up persuading Leslie to stop hiding and come out to play with them.
11 min
Family Scavenger Hunt
The Pteranodon family travels to the Big Pond for a Scavenger Hunt. Using clues and rhymes, the kids solve word puzzles and finally glimpse a bug-eating plant they thought was mere make-believe.
11 min
Have You Heard About the Herd?
Buddy, Tiny, and Mom ride the Dinosaur Train to the Cretaceous Picnic Grounds. They meet Ernie Einiosaurus, who shows them what it’s like to live in a herd of horned Ceratopsians.
11 min
Jess Hesperornis
The Pteranodons venture to the Big Pond to find out if dinosaurs can live in the water. Their quandaries are quenched when they meet Jess Hesperornis, who turns out to be not only a water-dwelling dinosaur, but a bird as well!
11 min
Triassic Turtle
Don mistakes a shell for a rock and meets Adam Adocus, a turtle with a head he can retract into his shell for self-defense. The Pteranodon family travels to the Triassic and meets Pauline Proganochelys, another kind of turtle who shares her own methods of defending herself.
11 min
Tank's Baby Brother
Tank Triceratops has a new baby brother that everyone dotes on, making Tank feel left out. Buddy, Tiny, and Tank play with some older kid Triceratops, and Tank learns the perks of being a big brother.
11 min
Erma Eoraptor
Buddy, Tiny, and Mrs. Pteranodon go on an expedition all the way back to the Triassic Time Period to meet Erma Eoraptor, one the first species of dinosaur that ever lived. They ride to the end of the line to find Erma, and then bring her back for a ride on the Dinosaur Train!
11 min
Under the Volcano
Buddy, Tiny and Dad take the Dinosaur Train to see Old Smoky, the local volcano. It’s such a spectacular sight that they go back for the rest of the family, only to discover they've already gone to see the volcano! The merry mix-up concludes as the whole family meets up just in time to catch Old Smoky erupting.
11 min
Pteranodon Family World Tour
The entire Pteranodon family embarks on a roaring, exploring, World Tour adventure! They meet the Conductor's nephew, Gilbert, who acts as their tour guide to meet Martin Amargasaurus, a spine-spangled quadruped with an intimidating sail.
11 min
Gilbert the Junior Conductor
The Pteranodon family continues on its World Tour on the Dinosaur Train. During their first full day on the train, the kids play with Gilbert, the Conductor's nephew. Don gets jealous of Gilbert’s friendship with Buddy.
11 min
Confuciusornis Says
The next stop on the Dinosaur Train World Tour takes the Pteranodon family to Confuciusornis Gardens, where they meet a very wise old dinosaur. They try some new foods and even learn to meditate.
11 min
Tiny's Tiny Doll
During a stop on the Pteranodon family’s World Tour, Tiny accidentally leaves her beloved Tiny Doll behind in Velociraptor Valley. Knowing Tiny can't sleep without it, Valerie and Velma Velociraptor enlist the help of a wide-winged Pterosaur named Ziggy to fly Tiny's doll back to the train.
11 min
Iggy Iguanodon
The Pteranodon family continues their World Tour and meets Iggy Iguanodon, a large, four-legged chap who shows them his unique way of walking while leading them to some famous white cliffs.
11 min
Shiny Can't Sleep
Shiny gets homesick while the Pteranodon family continues on their World Tour. She tries to fall asleep in their Sleeping Car, but can’t, so Dad takes her for a walk around the Dinosaur Train, where they observe the night activities of nocturnal creatures.
11 min
Kenny Kentrosaurus
As the Pteranodon family’s World Tour continues, they travel to Africa to meet a Stegosaur named Kenny Kentrosaurus. He teaches the kids about his plates, spikes, and big, thumping tail, which leads to a fun drumming party.
11 min
Don and the Troodons
The Pteranodon family oversleeps and has to hurry to make another guided walk on their World Tour! Don asks to stay back on the train, where he ends up having a great day with the Conductor and his mom, Mrs. Conductor!
11 min
Long Claws
Buddy, Tiny, Don and Mrs. Pteranodon head to the thicket to ask a Therizinosaurus family about their colossal claws. They demonstrate how they use their claws for self-defense, while the daughter, Teri, shows the kids her favorite practice spot.
11 min
Tank's Sleep Over
When Tank spends the night at Pteranodon Terrace, the last thing he wants to do is sleep. But as the night wears on, the other kids nod off, leaving only Buddy to try to stay awake with Tank. Buddy realizes that Tank is just nervous about sleeping in a strange place, so he and Mom help Tank feel at home so he can finally get to sleep.
11 min
New Neighbors
Mr. Pteranodon is annoyed when some hadrosaurs move in next door! The new neighbors are a family of Lambeosaurus, who have crests that hoot – and too loudly, as far as Dad is concerned. After a rocky start, the Pteranodon and Lambeosaurus families agree on terms they can both live with and become fast friends.
11 min
Don's Collection
Don and new neighbor, Lily Lambeosaurus, stay at Pteranodon Terrace while the other kids take a day trip to the Big Pond. Don shows off his knowledge of the area to an admiring Lily as they search for more items for his collection.
11 min
The Wing Kings
The Pteranodon family stretches their wings at Quetzalcoatlus Canyon, where Mr. Pteranodon flew when he was younger and nicknamed the "Wing King." The family meets Quincy Quetzalcoatlus and his Dad, a huge flying Pterosaur. Together, the two "Wing Kings" wow their kids with some sensational aerial acrobatics.
11 min
The Big Mud Pit
There's big trouble at the Big Pond Larry Lambeosaurus gets stuck in a mud pit, and then Dad tries to get Larry out, and ends up getting stuck himself. Buddy and Leroy Lambeosaurus have to think quickly to pull their dads out before some big meat-eater finds them!
11 min
Buck-Tooth Bucky
When Don finds a mystery tooth in Dad's old tooth collection, Dad decides to take the kids on an investigation. They discover that the tooth belongs to a dinosaur called Masiakasaurus, a creature with a mouthful of protruding buck teeth!
11 min
Tiny's Tiny Friend
Tiny gets upset when she finds a miniature mammal named Cindy Cimolestes has moved into her "Tiny Place," a hole in a tree near the family nest. Buddy ends up using his sharp eyes to help Cindy find a new home that more perfectly fits her small size.
11 min
An Armored Tail Tale
The Pteranodons tag along as Hank Ankylosaurus visits the Big Pond to scout a Dinoball talent named Eugene Euoplocephalus. Eugene is a smaller version of Hank, an armored dinosaur with a giant tail-club. Hank and Eugene really hit it off, and after they all play Dinoball, Hank recruits Eugene to play on his team!
11 min
Pterosaur Flying Club
Tiny and Shiny practice their swoop-de-loops and other flying moves in anticipation of their play-date with fellow Pterosaurs Petey Peteinosaurus and Quincy Quetzalcoatlus. With Buddy helping with the choreography, the Pterosaur Flying Club puts on a flying show!
11 min
Great Big Stomping Dinosaur Feet!
Tiny is very worried after she loses Shiny's favorite shiny shell, and enlists Dad and Buddy to help find a new one. As Tiny becomes more frantic, she begins stomping with frustration. Then the kids meet Daphne, a Daspletosaurus kid who shows them how to make stomping a fun dance instead of a temper tantrum.
11 min
Hornucopia!
At the Big Pond, Tank introduces the Pteranodon family to his friend, Stacie Styracosaurus, a fellow Ceratopsian with a crown of elaborate horns on her head. Everyone attends Stacie’s “Hornucopia” celebration, where she reveals her new big
11 min
The Good Mom
“Mom’s” the word when Mrs. Pteranodon meets fellow mom Millie Maiasaura, who is a little too over-protective of her kids. The two moms compare mothering methods in a play date at the Big Pond.
11 min
Diamond Anniversary
Mr. and Mrs. Pteranodon decide to surprise each other with gifts on their anniversary. Despite some close calls, the kids help each of them to keep their gifts a secret until the perfect moment when the whole family can celebrate.
11 min
Elmer Elasmosaurus
The Pteranodon family travels on the Dinosaur Train with the Aquacar to an underwater train station to transport Elmer Elasmosaurus back to his home in the ocean. At first Buddy is not enthusiastic about travelling underwater, but quickly becomes a convert when he sees the spectacular sights under the sea.
11 min
Dinosaur Block Party
The Pteranodon family hosts a block party to introduce their new neighbors, the Lambeosaurus family, to all the other neighborhood creatures. The different species all join together to fly, dive, fish, race and especially, to rock the block!
11 min
Paulie Pliosaurus
The Pteranodon family takes the Dinosaur Train underwater to visit a marine reptile called Paulie Pliosaurus, a creature known as the "T. rex of the Ocean." Buddy and Paulie compare features and find that they actually have a lot in common.
11 min
Elmer Visits the Desert
Our Pteranodon family takes their ocean friend Elmer Elasmosaurus on the Dinosaur Train to a place he’s never been before: the desert! Once there, the kids compare the sandy terrain to Elmer’s ocean, and they meet a local lizard named Percy who tells the tale of his desert home.
11 min
Carla Cretoxyrhina
On this underwater excursion, the Pteranodon family meets up with Carla Cretoxyrhina, a young shark who turns out to be much nicer than her reputation suggests. She introduces the family to her dad, bringing them face to face with the "Big Fish in the Sea."
11 min
Train Trouble
The speedy dinosaur brothers Oren and Ollie join our kids on a train trip to Troodon Town, but unplanned engine trouble sends Oren and Ollie sprinting the Roundhouse to bring back another engine to save the day!
11 min
The Amazing Michelinoceras Brothers
The Pteranodon family travels deep underwater on the Dinosaur Train to view two backwards-bounding brothers named Max and Mitch Michelinoceras. The kids are delighted to see that Max and Mitch put on a synchronized swimming show.
11 min
Dads' Day Out
Buddy, Tiny, and Mr. Pteranodon join Annie Tyrannosaurus and Leroy Lambeosaurus and their dads for a Dads’ Day at the Big Pond. It’s all fun and games until it starts to rain, and they all have to take cover in a cave they’ve never noticed before.
11 min
Junior Conductor Jamboree
Our kids ride the Dinosaur Train from one end of the line to the other, through all three Time Periods -- from the Cretaceous, through the Jurassic, to the Triassic. All along the way, they pick up friends who join them for a Junior Conductor Jamboree!
11 min
Troodon Train Day
The Pteranodon family rides to Troodon Town to celebrate Troodon Train Day, where the main event is a concert by King Cryolophosaurus, giving his first performance in years! When King comes down with some last-minute jitters, Buddy and Tiny help him overcome his stage fright and he sings a medley of his hits, including the Dinosaur Train theme song!
11 min