The boys are fed up with their puppy's antics and set out to train Lilly to behave. Soon the Chipmunks feel they are not qualified to raise her and they give her away. However they regret their decision when Dave shows them home movies of him having to deal with their antics as they grew up. So the boys then try to get Lilly back. They succeed but only by having Alvin dress up as Lilly's mother.
- "Hound Dog" originally performed by Elvis Presley.
- The title is a spoof of the 1987 movie Three Men and a Baby.
- As of right now, this episode is not available in English.