The Chipmunks work in an amusement park attraction. After Alvin drives a crazy tour group, they miss their next performance and are locked in the park after closing time. Little do they know that the real Dr. Frankenstein has been hired in a new attraction called, "Frankenstein's Castle"; figuring that the castle isn't scary enough, the mad scientist recreates the real Monster.
October 4, 1999
Universal Cartoon Studios, Bagdasarian Productions
8 people
Ross Bagdasarian Jr.
Alvin Seville / Simon Seville / Dave Seville (voice)
Acting
Dee Bradley Baker
Tour Guide (voice)
Acting
Michael Bell
Dr. Frankenstein (voice)
Acting
Mary Kay Bergman
Mother (voice)
Acting
Janice Karman
Theodore Seville (voice)
Acting
Jim Meskimen
Mr. Yesman (voice)
Acting
Kevin Michael Richardson
Bud Wiley (voice)
Acting
Frank Welker
The Monster (voice)
Acting
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