Hey! Hey! They're the Monkeys! is a Marsupilami episode in which Marsupilami babysits the three baby monkeys who were banned from the circus. But were teasing Marsupilami by trying to take over Marsupilami's nest.
- The Three baby monkeys were all voiced by the late Jim Thurman (who provided the voice for Teeny Little Super Guy from the PBS Kids television series "Sesame Street").
- The episode title is the reference to the theme song of the TV series, "The Monkees".