Sleepover at Leo's is an episode from Season 1 of "Caillou". It originally aired on
Caillou is ready for his first sleepover, which is with his best friend Leo. Caillou is about to leave with his mommy, but they then remember they forgot to get Teddy, so Caillou gets him and is then ready to go to Leo's house. The first thing Caillou and Leo do is play in the treehouse which Leo's Daddy built. Before dinner, they brush their teeth. At dinner Caillou doesn't like what Leo's Mommy made but then he and Leo have a race to dessert. When it is time to go to bed Caillou is felling sad and misses his family. He calls Caillou's Mommy and she asks him if Teddy is lonely. Caillou says 'Teddy' ?, meaning he forgot about him. Caillou's Mommy says Teddy wants out of his bag and then Caillou isn't lonely anymore and stays the whole night.
- This is the first time Caillou and Leo have a sleepover. In the Season 3 episode, Sleepover Guest, Caillou and Leo have another sleepover, but this time Leo sleeps over at Caillou's house.
- Gilbert, Boris and Rosie are absent in this episode.