It's the first day of school for the youngest WordFriends, but Shark is afraid to go. Build a Word: "FLAG" Then, when Shark loses his first baby tooth at a sleepover party with Duck, he must get to sleep fast so the tooth fairy can leave him a present. Build a Word: "PILLOW"

Originally released by PBS, 2009. Streaming video file encoded with permission for digital streaming by Infobase on March 23, 2022.