Bonnie finally gives birth to a baby girl; Stewie falls for the newborn and will do anything for her; Joe borrows money from a bookie to pay the bills.
Peter participates in medical experiments to make extra cash, and one of the injections leads him to find a new mate and leave a heartbroken Lois behind.
Eager to meet people who enjoy reading books, Peggy takes a management position with a bookstore but lets Dale sell guns when the business starts losing money.
Luanne's signing up for a business class taught by a pork industry tycoon turns disastrous when his interest in her is strictly for an advertising gimmick.
When Megalomart experiences a rodent problem, the manager is willing to hire anyone to handle the problem and Dale is ready to take on the job head-on.
At the request of John Redcorn, Hank takes Dale and his son on a spiritual journey where Dale has a dream that implies he is of Native American ancestry.
After bribing Bobby to break up with Connie, Kahn and Minh realize it was a mistake and encourage the two to be together, which leads to more problems.
Hank's attempts to secure a lucrative contract with the owner of a Renaissance Fair are threatened when Peggy attempts to start an all-female revolution.
Professor Frink creates a fantabulous device that allows Bart and Lisa to witness how their final days in high school will affect the remainder of their lives.
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.
Homer, Lisa and Bart define what love means to them in the future; as Homer respawns after death, Lisa lives as Milhouse's wife, and Bart battles for custody.
The Simpsons are on a course that will lead them to destroy the future, so the Planet Express crew from "Futurama" travels to Springfield in order to stop them.
Bart reflects on his life from age six on, exploring his rocky relationship with Homer, the days when he was apathetic, and how Lisa has overshadowed him.
Bob runs into trouble when he takes Linda and the kids to see his mother's grave and yet can't manage to find the right headstone; Teddy's repairs go wrong.
Stewie gets mad after going to the "Star Trek" convention and not being able to ask a question of his favorite cast members, so he transports them to his room.
Bender is excited when the members of the Robot Mafia approach him to become a part of their gang, but their latest heist involves robbing Bender's friends.