Good Luck Mr. Whiskers / Who’s Your Daddy?.Good Luck Mr. Whiskers: One of Ms. Croner's cats has gone missing. The Chipmunks are initially dismissive of the problem, so Ms. Croner tells them that the cat must be found or else the neighborhood will be cursed. After a series of coincidental bad luck events, they start believing in the curse and go searching for the cat, but fail to find it. Ultimately, they find out that the cat had hidden herself in the Chipettes' treehouse to give birth to a litter of kittens away from Ms. Croner's other cats.
Who’s Your Daddy?: Dave gets very sick, and as such is bedridden. Alvin makes a bet with Simon that he can take care of the family until Dave gets better; things quickly turn out for the worse. Realizing that he is going to lose the bet, Alvin makes huge efforts to fix things up and succeeds for the most part, but still has to enlist Dave's help when he finally gets better, thus making Simon the winner no matter what Alvin does.