| Contents | - * The title is a reference to the film Grumpy Old Men and its sequel Grumpier Old Men.
* Peter references Scooby-Doo when he accuses a resident at the Oceanside Retirement Community of being "Old Man Withers who runs the haunted amusement park."
* The scene where the drill sergeant with Alzheimer disease is repeatedly cursing at a man he calls a "joker" is a reference to Vietnam war movie Full Metal Jacket by Stanley Kubrick.
* Joe's Fiona Apple tribute video is a parody of her 1997 song called Criminal.
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