Hank imparts sage wisdom about living off the fat of the land to a gaggle of hippies whose peace-loving ways threaten to ruin his fishing trip with Bobby.
Peggy comes to terms with her mother's constant disapproval when she takes Hank and Bobby to visit her parents in Montana; Bobby learns to ride horseback.
After ruining the table centerpiece that Lisa made for Thanksgiving, Bart is sent to his room and decides to run away, only to meet a series of homeless men.
The Simpson family tells classic tales of the sea, including the voyage of the Mayflower, a mutiny in Tahiti, and the dangers of capsizing cruiseships.
The Simpsons flash forward 30 years and find themselves in a tech-savvy, futuristic Springfield; Bart and Lisa spend the holidays with Homer and Marge.
Bob goes to pick up Gayle so she does not miss the Thanksgiving celebration, but gets caught in a snowstorm coming back, leaving Linda to prepare the turkey.
Gene and Louise plan to sabotage Mr. Frond's annual play when it threatens to ruin the half day before Thanksgiving; Linda's potato resembles her grandfather.
The Belchers have a difficult time with saving a turkey from a slaughterhouse after a local news reporter inadvertently causes complications with their mission.
Lois cooks a huge Thanksgiving meal and invites the whole troop over; Joe receives a shock when his formerly M.I.A. son, Kevin Swanson, returns from Iraq.
Tension spins out of control for Peter and Quagmire when Peter gets a big head from the fame of their new musical group in the vein of Simon and Garfunkel.
Peter and Brian get drunk the night before Thanksgiving and decide to eat the entire bird, so they must hurry to find a replacement before Thanksgiving dinner.
Peter's sister, Karen, visits for Thanksgiving and bullies him, which Meg finds entertaining at first, but starts to feel guilty and tries to help Peter.
A psychic reveals that Peter had a past life as a dignified gentleman in 17th century England and the colony of Quahog, where King Stewart reigned supreme.
Fry discovers the intact fossilized remains of his pet dog from his old life, and he becomes excited when the Professor reveals that he can clone the animal.
When Arlen is flooded, Hank seeks shelter at the local dam control room where he answers an emergency call that puts the future of the town in his hands.
Hank sets out to recreate the Battle of the Alamo after learning Arlen is not covering that part of Texas history; Peggy zealously teaches safety rules.
Hank and Luanne organize a protest after propane grillers are outlawed in the Texas State Grill Off; Peggy tries to visit the site of an infamous murder.