Welcome to WordWorld, where words are the stars of the show! Shark's Loose Tooth DVD includes these stories: Shark's First Loose Tooth: When Shark loses his first tooth at a sleepover party, he's got to get to sleep fast so the tooth fairy can come. There's just one problem- he can't fall asleep! Shark discovers the word he needs to help him fall asleep with the help of letter P. A String's the Thing!: After Duck accidentally turns on Frog's new cake frosting machine, the WordFriends must find the right -ING word to stop it from covering WordWorld in frosting! Duck Plays Piano: When Bug, Bee and Fly keep interrupting Duck's piano lesson, Duck learns that some things are worth waiting for hoops. Hurray! Shark's First Day of School: It's the first day of school for the youngest WordFriend, but Shark is afraid to go. With the help of hi good buddy Duck and teacher Cat, Shark's fear turns to confidence, and by day's end he's at the head of the class!