Leo comes over to play at Caillou’s house. They have fun pretending to be bears until Sarah shows up wearing a GY (white Karate outfit). Dad had promised to drive her to her Karate lesson. Sarah introduces Caillou and Leo to Karate and demonstrates a few moves. While she is at her class, the boys have their own pretend Karate game. When Sarah comes back, she gives another lesson to the whole family. (thetvdb.com)