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"Step right up, folks, and witness the magnificent medicinal miracle of Simpson and Son's patented revitalizing tonic. [deep breath] Put some ardor in your larder with our energizing, moisturizing, tantalizing, romanticizing, surprising, her-prizing, revitalizing tonic."
Abraham Simpson

Grampa vs. Sexual Inadequacy”, sometimes erroneously named “Grandpa vs. Sexual Inadequacy”, is the tenth episode of Season 6.


Homer and Marge's sex life is on the rocks, due to outside obligations. When Grampa Simpson's love tonic he once made as a cheap substitute for holy water cures it, Homer and Grampa decide to make money off it, which ends up ruining Homer's relationship with his father. Meanwhile, Bart, who has been acting very paranoid over UFOs and conspiracy theories, thinks all the adults in town are plotting to eliminate dinner time, not knowing that they bought Grampa's love tonic and are leaving the kids to fend for themselves while they have sex.

Full Story []

Grampa vs

Homer and Marge's sex lives interrupted by Bart who believes he saw a UFO.

The marriage of Marge and Homer comes under threat due to their fading sex lives because of number of things. One night, Homer wants to watch a movie but tells Marge that they can have sex tomorrow night. A month later, Marge wants to snuggle again but Homer is too full from an enchilada dinner. Later that year when they are finally able to suggle, it gets interrupted when one of the kids comes in their room out of fear: Bart thinks he saw a UFO out his window, but Marge tells him it's a golf umbrella. Bart begs his mom to let him sleep with them she says no, but when he asks if he can sit on the roof with a baseball bat, she allows it. Marge comes back in to pick up where they left off but Homer is asleep. She eventually tells Homer after waking him up that they need to fix the marital difficulties they are having. Homer tells her that with all that's been happening it has been hard and while he does promise when all that stuff ends, they'll snuggle, Marge however tells Homer she is not going wait that long. In need of a quick fix, the couple decides to get something to spice up their marriage. The next day they and the kids go to the bookstore, when the kids check on them, they bury themselves in two books one about military machines and one about body (an erotic book). Homer and Marge eventually get a book on tape called Erotic America narrated by Paul Harvey. They try the different suggestions, including a bath which causes the candles to go out when Homer pushes the faucet out the wall with his back. Next they try a romantic weekend away at a romantic hotel, unfortunately the only room left is the Utility room which is not romantic. After every failed attempt they throw the tape out the window during the drive home. After they arrive home, Grampa pieces together a tonic that is guaranteed to help the bad situation, Homer drinks the tonic sends the kids off to the movies and makes love to Marge. Within one night, Homer and Marge's love life is back on track. Since the tonic was incredibly helpful, Homer and Abe begin selling it at a mall, and then in Spittle County. They begin visiting multiple towns to cure frigidness and become quite successful. Before long every couple in town has bought a bottle. However, with all the parents and couples of Springfield spending more time with each other, the children are banished from the house and the town is practically deserted during the day. Bart and the other kids believe their parents are acting peculiar, under the influence of aliens or the government. They are unaware of the fact that the tonic Homer and Grampa are selling, so they continue to believe that their parents have turned into reverse vampires: they have to get home before dark, which in the children's view explains the adults' behavior of running inside and closing the blinds as soon as they get home.

Grampa vs

Homer and Abe selling the tonic.

During one sales trip, Homer and Grampa visit the farmhouse where the family used to live. Grampa reminisces about the time the family lived in the house, but Homer asks why his father never gave him any encouragement when he was growing up but Abe points out his son is treating him in a similar way. They keep talking as they drive off, and the conversation turns into an argument. Grampa says he never encouraged Homer because he was a screw-up, and Homer says he has had too much of Grampa and the tonic and they are going home. Grampa then becomes ticked off and says that Homer was an accident and wouldn't even exist if it weren't for the tonic, and adds that he wishes Homer had never been born. Furious with his father, Homer stops the car annd tells Abe to get out, he tries to apologize but Homer sends him out and abandons Grampa on the roadside.


Homer is ready to love Marge!

Grandpa tries to apologize again to Homer but to no avail, he tells Marge he cannot believe his father called him an accident. He tries to be a better father to his kids, but fails as he is more over possessive than actually being a good parent. Homer shows terrible parenting as he carries Maggie around in a baby bag, gives Bart a girl’s bike (even though he owns a bike) and gives Lisa a dirty tire swing. While Homer tells the kids he's using his full assed parenting, Lisa states that too much of him is scary. Grampa, for his part, tries to keep selling his tonic (with Barney Gumble standing in for Homer), but it doesn't work. The two of them return to the old farmhouse, each unaware of the other, and both of them realize that they really do care for each other. During this, they manage to accidentally start fires which quickly spread through the house. As the house burns, Grampa and Homer agree of being screw-ups, and they forgive each other.

Broadcast History[]

United States[]

Broadcast date(s) Channel aired
  • December 4, 1994
  • July 9, 1995
Fox logo5
  • December 21, 2020
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Season 5 Season 6 Episodes Season 7
Bart of DarknessLisa's RivalAnother Simpsons Clip ShowItchy & Scratchy LandSideshow Bob RobertsTreehouse of Horror VBart's GirlfriendLisa on IceHomer BadmanGrampa vs. Sexual InadequacyFear of FlyingHomer the GreatAnd Maggie Makes ThreeBart's CometHomie the ClownBart vs. AustraliaHomer vs. Patty and SelmaA Star is BurnsLisa's WeddingTwo Dozen and One GreyhoundsThe PTA Disbands'Round SpringfieldThe Springfield ConnectionLemon of TroyWho Shot Mr. Burns? (Part One)