Lisa thinks her Grandpa's genes are the reason behind her sudden lack of brain power.
Mr Burns/ Principal Skinner/ Ned Flanders
Rod Flanders/Milhouse Van Houten
Agnes Skinner / Jimbo Jones
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Production Company Animation Production Company
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Producer Animation Producer
Executive Producer Animation Executive Producer
Producer Animation Producer
Associate Producer Animation Associate Producer
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Casting Director Casting By
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Production Manager Animation Production Manager for Gracie Films
Production Manager Animation Production Manager
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Assistant Editor Assistant Film Editor
Assistant Editor Assistant Film Edtor
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