Episode Title:
Whatever Happened to Dave Seville?/Simon Seville, Superstar.
Episode Description:
Whatever Happened to Dave Seville?: When Dave wins a producer’s award, a wax figure of him for a Hall of Fame is delivered, unbeknownst to the Chipmunks. While playing ball in the house, which Dave strictly forbid before he left, Alvin hits the wax figure of Dave with his ball, toppling him over. After watching a soap opera, they think he has developed a strange disease called "Zomboid rigidosis" and begin retelling his life for him, hoping he will snap out of it.
Simon Seville, Superstar: Alvin becomes jealous when Simon becomes a celebrity in Australia, so he arranges for the group to get lost in the Australian outback so he can "rescue" them and co-opt Simon's fame.