Ross Bagdasarian, Jr., Janice Karman, Dody Goodman, Susan Tyrrell, Anthony De Longis, Frank Welker, Nancy Cartwright, Philip L. Clarke, Ken Sansom, George Poulos, Charlie Adler, Patrick Pinney, Jack Angel, Mel Blanc, Laura Summer
The Chipmunks and the Chipettes go head to head in a hot air balloon race, and the winner gets $10,000. Unbeknownst to the participants, the "race" is actually a diamond smuggling ring!