Caillou's Valentines - It's Valentine's Day and Daddy surprises Mommy with a bouquet of roses at breakfast. Caillou is intrigued by the cupid on his card from Mommy. At playschool the children make valentines for all their friends. Caillou imagines he's cupid when he is delivering his cards to the appropriate mailboxes, but is upset to find he's lost his special card for his best friend Leo. Luckily, with Miss Martin's help he makes a new one and Leo really likes it! Hello Spring! - Caillou is very sad when his snowman melts away in the warm spring sunshine. He doesn't want winter to end. He helps Daddy clean up the yard and learns about composting. And during a walk in the park he is reminded of all the good things about spring - the birds returning, the warm weather, the fun things he can do outside. By the time they return home and Caillou finds the first crocuses of spring, he has decided that he's glad spring is here. Caillou's April Fool - Daddy plays an April Fool's trick on Mommy, setting all the clocks ahead one hour. They explain all about April Fool's Day to Caillou, who is determined to join in the fun. The hard part however, is thinking of a good trick to play. After a couple of unsuccessful attempts, Caillou plays a couple of good tricks on Mommy and on Daddy too. April Fool!