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Simpsons Top 100 Countdown
#42 Grampa vs. Sexual Inadequacy
Season 6, Episode 10 (Guide from the Simpsons Archive)

Homer and Marge are having a problem with their sex life. After trying several other options, Grandpa gives Homer the Simpson revitalizing tonic, which works instant wonders. Marge encourages Homer to go into business with his dad and sell the tonic, which he thinks will be a great way to get rich quick despite the fact that they sell the tonic for $1 a bottle. During an argument on the road, Abe tells Homer that he was an accident and only resulted because Abe had taken the tonic 38 years ago. Homer then decides to cut his dad out of his life. Unknown to each other, they both end up at the old Simpson farmhouse, contemplating their relationship, with Homer realizing that Abraham wasn’t as bad a father as he thought, and Grampa realizing that he’s been too hard on Homer, and a happy ending ensues, aside form the small matter of the farmhouse burning down. Memorable moments include Bart on the roof, Paul Harvey, further mishaps of Homer and Marge, Al Gore, Grandpa discovering the problem, the stock footage festival, Dr. Hibbert, Nelson in charge, the towns to visit, the getaway, the kids’ theories, the farmhouse falling apart and later burning, Radiation King, flower delivery, and Homer’s over-parenting.