When Bill starts dating a single mother, Dale suspects that the woman's oldest child may be his own offspring and sets out to ruin the budding romance.
Hank and the guys take pity on Kahn when his visiting father-in-law makes him feel like a failure, but Peggy and Bobby fear the new friendship won't last.
Along with Bobby, Hank is forced to attend a defensive driving course taught by a comedic instructor, who encourages Bobby to get in touch with his roots.
After being dumped by her boyfriend, Luanne starts to drive the family crazy by crazing every day and night, leading Hank to find her a new significant other.
Bobby's sugar splurge is mistaken for ADD, causing Peggy to blame herself and quit her job, while Luanne fears that she caught the disorder from Bobby.
Lisa scares her friends with the story about a murderous doll; Grampa tells a story about a beast who looked like Homer; a tale is told concerning zombies.
The bag-boys at the local grocery store decide to go on strike and refuse to bag anyone's groceries, indirectly causing the Simpsons to win a trip to Africa.
Homer loses his thumb and must rush to the hospital for immediate surgery; Lisa tries to make it to the school with her project; Bart obtains illegal fireworks.
When Marge offers to baby-sit Ned's children after he gives her a computer he won, Homer is left to care for the kids and decides to take them to the zoo.
Linda tries to convince Teddy to go to the farewell ceremony for the ship he served on while with the Navy, but he's afraid to confront his old friends.
Louise, Millie and Regular Sized Rudy team up to get revenge on a teacher after being insulted during a special unit on ancient Greece; Bob gets his own room.
With Big Bob on the way over so Tina can interview him, the family comes up with increasingly unlikely versions of an infamous tree incident from his past.
Louise, Gene & Tina struggle to recover a lost family recipe as a gift for Linda on Mother's Day, forcing them to resolve an age-old family feud in the process.
Lisa invests in Nelson's brand-new business venture, and she tries to make sure that he realizes just how important an education is for successful business.
When the Robot Mafia takes control of the casino belonging to Amy's family, the Planet Express crew must devise a heist plan to recover the stolen property.
Bender meets a well-known, famous folk musician while at a maximum security prison, and he attempts to create a replica of the musician's precious guitar.