The Gammels appeared in There's No Disgrace Like Home and are fond of Springfield Nuclear Power Plant. The Father works in waste Managment at the Springfield Nuclear Power Plant.
Tom and his mom briefly appeared in the McBain movie[1].
Appearances[]
Episode – "There's No Disgrace Like Home" - Episode – "Dancin' Homer"
Episode – "The Way We Was" (Tom and Mrs. Gammel)- Episode – "Bart's Dog Gets an F" (Mrs. Gammel)
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