The gang plans to celebrate Melman's birthday at an outer space exhibit featuring a cool space-rover vehicle. But when Gloria becomes obsessed with a handheld game, she misses out on special moments with her friends and learns the value of living in the present.

Alex is mistaken for a Maine Coon and takes over that cat's life in the penthouse. At first, VERY comfortable with his shmancy new life, Alex grows to miss his old life and learns that it's lonely at the top.

On Junior Marshals' Day at the fire station, Melman gets stuck in a firetruck on its way to a real emergency. With Alex's help, Melman must overcome his fear of heights to help save a stuck cat, and learn that even heroes get scared sometimes.