Episode - 1F21\\
First Aired - 5/12/1994
Grampa Simpson falls for Grandma Bouvier...and then loses her to Mr. Burns. Meanwhile, Bart steals Homer's credit card to pruchase an animation cel — and finds that the animation cel is a rip-off.
* BrotherSisterIncest: Homer opposes the relationship between his father and Marge's mother, as a marriage between them would make he and Marge brother and sister. And then their now inbred kids would become "horrible freaks with pink skin, no overbite, and ''five fingers on each hand!''"
* ComicallyMissingThePoint: Bart used Homer's credit card to buy something for $350. After getting the Money from Mr. Burns, Bart confesses to him and hands him the Money. Homer didn't seem to understand it was to make up for a loss considering what he planned to spend the money on.
* RichSuitorPoorSuitor: Mr. Burns and Grandpa Simpson
* ShoutOut: To ''TheFlintstones'': Upon arriving at the Simpson household to court Grandma Bouvier, Mr. Burns said Homer, Marge and Maggie must be, respectively, Fred, Wilma and Peebles. After Mr. Burns gave candy, Homer shouted [[BorrowedCatchphrase Yabba-Dabba-Doo]].