On the night of a much-anticipated toy-car race, Melman discovers a popped tired on his toy ambulance. Assuming that someone did it on purpose, Melman enlists Marty and the gang in a noir-like search to find the misbehaving tirepopper.

When Bill the Flamingo moves into the guest habitat, the nosy new neighbor discovers our gang sneaking out for Alex's big cat food audition- and insists on joining their adventure.