Caillou and Clementine try to prove to her older brother Billy that they can play the drums; Caillou and his classmates at playschool put together a marching band; Caillou helps Clementine in a talent contest.

1) Caillou the Patient: Caillou gets extra attention from Mommy and Rosie when he scrapes his knees; 2) Caillou the Police Officer: Caillou learns about police officers; 3) Grandpa’s Friend: Grandpa takes Caillou to the park to meet his long-time friend, George.

Caillou, Daddy and the twins Jason and Jeffrey pretend to visit the Antarctic; Caillou gets to know a new girl named Lee Wuhn; during a family trip, Caillou imagines hunting for alligators in a bayou

1) Caillou the Librarian: Caillou and Rosie visit the library; 2) Caillou the Bookworm: after returning from the library, Caillou is eager to read a book about pirates; 3) Caillou the Storyteller: Caillou's teacher, Ms. Martin, encourages him to make a storybook out of his superhero tale.

1) Caillou's Present: Caillou makes a picture for Mommy; 2) Caillou the Chef: the twins Jeffrey and Jason make a creative pizza; 3) Caillou the Painter: Caillou makes a painting for Grandma.

Caillou participates in a boat race with a new sailboat from his Grandpa; Caillou experiences loud sounds; Caillou is the ringbearer at the wedding of Mommy and Daddys' friend Jonas.

Caillou helps Rosie when she's teething; Caillou pretends to be a firefighter; Caillou and Leo pretend to be tow truck drivers and crane operators.

1) Magnet Madness: Caillou learns about magnets 2) Caillou the Dinosaur Hunter: Caillou finds out about dinosaurs in a museum 3) Caillou the Astronaut: Caillou pretends to explore the stars.

Caillou goes out caroling with his entire family; everyone at Caillou's playschool celebrates the holidays; Caillou tries to stay up all night to wait for Santa Claus

Caillou searches for Gilbert; Caillou loses his new toy car; Caillou pretends to play hide-and-seek in the jungle.

Caillou eagerly awaits the first snow of the season; Caillou plays hockey; Caillou can't find his taboggan to go tabogganing.

Caillou searches for the perfect choice for show-and-tell; Caillou's magic act is hindered by Gilbert; Mommy and Daddy join in Caillou and Rosie's game of make-believe.

1) Caillou’s Valentines: Caillou celebrates Valentine's Day and imagines being Cupid; 2) Hello Spring!: Caillou misses his winter snowman, but finds things to enjoy about spring; 3) Caillou’s April Fool: Caillou works hard to come up with a good gag for April Fool's Day.

1) A Sweet and Sour Day: Grandma shows Caillou how to make juice from scratch; 2) Caillou’s Puppet Show: Caillou's plans for a puppet-show are interrupted; 3) Caillou’s Collection: Caillou and Grandpa collect rocks together

"Caillou and the Big Slide" At playschool, Caillou pretends to be a mountain-climber. It comes time for a trip to the pool. There are swings there and Caillou and his friends enjoy swinging on them. Then, their teacher Ms. Martin introduces them to Mary, the lifeguard. Leo calls Caillou to come try the waterslide. Caillou comes over, but seems a bit scared by it. He climbs up the ladder, but then climbs back down. Ms. Martin tells him that there was a time when she was afraid of swinging on the swings. She suggests that he give it another try. Caillou imagines that he is rafting down a mountain. He gives it a go and finds that he enjoys the waterslide. "Caillou the Sailor" Mommy and Daddy are all dressed up and going out for a party. They tell Caillou and Rosie that Grandpa coming over to babysit and bringing a surprise. Grandpa arrives, carrying a bag. However, when Caillou asks what's in it, Grandpa quips that it's his dirty socks and asks Caillou if he can wash them. Caillou calls him on this and he admits that it is the surprise --- a book about ships and sailing and a small telescope. Caillou has fun looking through the telescope, but Rosie has trouble closing just one eye to look through it. Grandpa reads a story from the book and suggests that Caillou and Rosie can be his crew. There's a storm outside, but Grandpa works the sound of the thunder into the game. Rosie starts to get tired and Grandpa puts her to bed. Caillou fantasizes about being the captain of a ship. Mommy and Daddy arrive home and Caillou shows Daddy the telescope. Grandpa then puts Caillou to bed and "Captain" Caillou says that he's not afraid of thunder anymore. "Caillou and the Creepy Crawlies" Caillou and Rosie are playing in the living room and Gilber's there too. He spots a spider and starts playing with it. Rosie notices this and says that the spider is yucky. Caillou tries to tell her that it isn't, mentioning that he learned all about bugs in playschool. Mommy suggests that they have a picnic outside and Caillou can draw some pictures of bugs and teach Rosie all about them. At first, it doesn't work, but then a ladybug lands on Rosie and she thinks it's kind of pretty. Caillou then shows her ants, noting that his teacher, Ms. Martin, read the class about all of the different jobs that ants have. He shows her a caterpillar and then a butterfly, and Rosie happily states that she likes the "flutterby." Caillou imagines that he's as small as a bug and that Rosie is flying high in the air on a "flutterby." Back in the real world, it would seem that Caillou has in fact taught Rosie to like bugs.

Caillou and his friends clean up the playshcool's playground and then decide to build a road; Caillou helps a family to build their new home; Caillou visits a skyscraper for the first time.

1) Caillou Goes Shopping: Caillou helps Sarah during a shopping trip; 2) Caillou Goes Apple Picking: the kids in Caillou's playschool go on a field trip to an apple orchard; 3) Caillou's Hallowe'en Costume: Caillou has trouble deciding on a costume for Hallowe'en

1) Shoo, Shoo Bird, Fly Away; 2) Caillou's Road Trip; 3) Caillou the Dragon Tamer

1) Caillou's Surprise: Caillou makes a new cup for Mommy when he breaks her favorite one; 2) A Surprise for Miss Martin: Caillou, Leo and Clementine throw their teacher a surprise birthday party; 3) A Surprise Sleepover: a power outage happens while Sarah is over at Caillou's to play.

Caillou wants to win a ribbon; Caillou realizes he's becoming stronger; Caillou tries to ride his bike without training wheels.

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Wintertime brings lots of new experiences. Sarah teaches Caillou to build a snowman, Dad helps him stay upright on his ice skates (and picks him up when he falls down), and Mom shows Caillou the fine points of downhill skiing, including how not to be afraid of the ski lift. Meanwhile, Rexy has never seen snow and thinks the backyard is disappearing. The shimmering winter blanket inspires Gilbert to write a poem. And, Teddy, in true bear style, just craves a long winter’s nap! But soon, a glorious sight makes everyone sit up and take notice. When Caillou and Dad get to the vendor too late to buy a good Christmas tree, they decorate one in the yard instead. All the beautiful colored lights chase away the winter gloom.

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It's a very special holiday for Caillou when he learns about Christmas traditions around the world and the importance of giving and sharing. When Caillou wonders just how many days there are left until Christmas, his Daddy gives him a Christmas calendar featuring holiday traditions from countries around the world in every window. Caillou also goes tobogganing, learns how to ski and plays Hanukah games with his friend Leo. Caillou also gives away some of his toys when he learns about children around the world that are in need of toys such as his old ones he no longer plays with. Caillou's little sister Rosie also gets in on the Christmas fun. When Mom offers to help Rosie with making gifts, Rosie decides to try it on her own.