Caillou's Promise is an episode from season 2.
The episode starts with Rosie and Caillou playing in the sandbox. Caillou says no to Rosie. Caillou tells mom that he wants to ban Rosie from playing in the sandbox. Then he throws sand in Rosie's eyes, and Rosie is crying because her eyes hurt from throwing sand. Caillou's Mommy gets angry, and says that Caillou needs to share the sandbox. Caillou promises. Mom goes to the car, but Mom has to go to work with red jacket, skirt, and high heels. and Dad promises to clean up the kitchen. Caillou sees that his cat, Gilbert is on the table. Caillou gets Gilbert off the Table. Caillou opens the door, and takes Gilbert outside, Caillou closes the door. Caillou comes back to the sandbox Rosie finds Caillou out the window outside, caillou tells his father he dosen't want Rosie to play in the sandbox with him but Daddy explains that it is very important not to break a promise. Later at the park, Caillou spots twins, Jason and Jefferey, and Caillou hears that his friends are going to the circus. Caillou asks his dad if he can come to the circus. Daddy however says he can come to the circus another day. Then, Jason and Jefferey say that they need to ask their mommy first. Later, Caillou is eating his sandwich. Caillou's voice gets muffled during his eating, then swallows the food, and says it again with his normal voice. Rosie says, "Me too." Then, Caillou yells at Rosie, that she can't come to the circus meaning banning her from going with him and the twins. Rosie gets sad, and starts crying. Caillou's Daddy says that the boys' mother didn't say anything to him at the park. He says that he is not going after all. After that, Caillou also gets sad, and says that the twins promised, and walks to his room crying and sobbing. Caillou's dad comes to his room with Caillou, and cheers Caillou up. Then, Dad says he is going to the circus and they will. Caillou says that maybe it is the twins. He checks, and is very sad that it wasn't the twins getting him. Mommy comes back. She tells that the circus was in town and she saw a big tent on her way home. Caillou gets happier and goes to the circus.
This is the 2nd time Caillou cries, because he wants to go to the circus. The 1st was Caillou Joins the Circus.
This was the 2nd time Rosie and Caillou cry in the same episode. The first was Caillou is a Clown. Gilbert is meowing like Olly.