Alvin and the Chipmunks

Alvin in Neverland (7x22)

Air date: Dec 09, 1989

A girl rejects Alvin because he's too childish. Therefore, Alvin decides to go prematurely adult, and only do grown-up things - and he forces his brothers to do the same! But by reading him the story of Peter Pan, Dave makes Alvin understand what a wonderful adventure childhood can be.