9. Mission Music!
Aired: 2/26/2000
Professor Leonard discovers an object approaching their house. Later, it turns out that Oscar was sent a message by an old friend from his home planet, who asks him to come to him. When they arrive on the planet, they find out that all the notes on the planet have disappeared and even not a single note comes from any musical instrument. Tommy and his gang will have to find out who is behind the theft of the sheet music.
