Caillou is disappointed to learn his class trip to the fire station is canceled. Grandma plans to coach Caillou’s soccer team. Caillou isn’t too happy when Miss Martin is away and they have a substitute.

Caillou accidentally brings a cricket into the house and decides it will be a fun pet to keep. Sarah gets a new dog and Caillou becomes jealous. Caillou looks at a spider alien comic book.

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 learns to stick to his word. Caillou realizes new isn't always better. Caillou realizes how great it can be to spend time with family.

Caillou pretends to be a race car driver, not realizing the trouble he's causing.

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.

Caillou realizes the importance of being honest. Caillou realizes it's better to tell the truth. Caillou learns that it's better to tell the truth when he breaks a toy.

Caillou and Leo come to realize the true meaning of 'sharing'. Grandpa takes on the job of soccer coach. Caillou learns he doesn't need a badge in order to help others when he takes on the role of preschool 'safety helper'.

It’s Grandpa’s birthday. Caillou is very excited to look after Hamish, the class hamster, for the weekend. He’s soooo excited, he ignores his own pet. Caillou wants to surprise Daddy with a weed-free garden for his birthday.

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.

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's older friend Andre is coming over to play, but Caillou worries his toys are too kiddish. Mommy gets new glasses so Caillou pretends he has bad vision so he can get glasses too. Miss Martin is throwing a Dance Party.

Caillou explores the 'magic' of compost in Grandma's garden. Caillou learns to deal with change. Miss Martin asks the class to think up ways to save water.

Caillou learns to appreciate. Caillou learns to forgive after Rosie accidentally scratches his bike. Caillou learns the downside of teaching his little sister inappropriate behavior.

Caillou wants to play, but everybody's too busy to play with him. Caillou's Mom has to do the taxes, Caillou's Dad is repairing the washing machine, and Caillou's grandma is tucking Rosie in for her nap. Even Gilbert doesn't seem to want to play. Caillou then goes back into his room and plays with his plush toys.

Caillou's friend Clementine comes over to play. Clementine wants to play Family but Caillou gets upset because he wants to play dinosaurs & Clementine is playing with his teddy bear & stuffed bunny without his permission. After Caillou gets upset his mom calms everyone down & has both Caillou & Clementine apologize to one another. Clementine's brother Billy then comes over to play baseball with everyone.

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

Caillou wants to learn how to roller skate, until he realizes how difficult it can be. Caillou wants to take a picture of a bunny rabbit in Grandma's garden. Caillou tries to whistle

Caillou likes it when Miss Martin calls him a "Shadow Scientist". Daniel comes for a visit and thinks he knows how to put together a model plane without instructions. Caillou has fun jumping in the fall leaves with Daddy.

Caillou learns about the importance of following safety rules. Caillou learns the importance of hand washing. Caillou and his classmates learn the importance of cleaning up after themselves.

Caillou and his younger sister both want to learn to play the keyboard. Caillou realizes it helps to try and see things from someone else's perspective. Caillou learns that one can find fun in an unusual place.

Mrs. Howard has sprained her ankle, and Caillou wants to help her around the house. Caillou is determined to win a ribbon in the 'Charity Fun Run'. Caillou goes on a field trip to the museum.

It’s a rainy day and Daddy discovers some old puzzles. Mommy, Daddy, and Rosie are all busy, and Caillou is bored and frustrated. Caillou is having a bad day – he’s worried his bad luck won’t go away.

Caillou and Rosie are playing together. Then Mom comes in and tells them to clean up their toys. But Caillou sees Rosie still playing and asks why she's not cleaning up. Mom tries to get Rosie to clean up and at first she does, but then she starts playing again. Mom explains that she's still too little, but Caillou won't have it and decides he's too little too. He asks for milk in a training cup like Rosie and his sandwich in little pieces and a bib. Then, Caillou and Rosie play baby together until Mom appears and stops them both for a nap! Caillou goes along at first, but then gets up. He tells Mom that he wants to be four again.

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.