Wuzzles - Season 1 Episode 5
Moosel's Monster

Moosels wild imagination manages to get him into a lot of trouble while the Wuzzles were picking appleberries. It finally gets so bad that boulder manages crash into the dam. When Moosel is sent home, he suddenly thinks that hes imagining a big monster that keeps following him around. Its actually a real monster with a very bad toothache. When the other Wuzzles see it and convince Moosel that its a real monster, it offers to help save the leaking dam.