Hermes realizes that he would be more efficient as a machine, so he decides to remove unnecessary parts of his body and upgrade himself with robot parts.
Fry becomes a victim of a sausage-making accident, after which he decides to join a group of Neanderthals and lead a battle against an army of spaceships.
When Bender discovers that he and all other robots lack free will, he decides to leave Planet Express behind and embark on a quest for the meaning of life.
Professor Farnsworth is shocked to discover that his parents are living on a space station serving as a retirement home for people past the age of 160.
Before the American Civil War, a free black man is abducted, sold into slavery and made to work for a series of slave owners under abhorrent conditions.
In the 1950s, a courageous sailor faces racism and a tyrannical diving instructor in his quest to become the Navy's first African American master diver.
Homer lands a new high-level job at a state-of-the-art nuclear plant with help from Professor Frink, who soon comes to regret helping in the first place.
When Louise runs away from home during her visit to the dentist's office and seeks refuge at her Aunt Gail's, Linda sends Tina and Gene to bring her back.
Lois learns Peter is a drunken savant when it comes to playing the piano, after he goes on a drinking binge to win one of Pawtucket Pat's silver scrolls.
Peter tries to teach Chris a lesson in responsibility by getting him a job at the local golf course; Brian convinces Stewie he was poisoned by a booster shot.
Brian becomes a drug-sniffing dog for police to get out of a rut after taking the advice of his therapist, but the cocaine may be more than he can handle.
After the toy company Peter works for is taken over by a tobacco company, Peter is set up as the president and is sent to Washington to lobby against a bill.
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.
Bobby's turn as a cheerleader for a powder puff football game comes to an end when Peggy's new friend, a former lawyer, petitions to have the squad shut down.
Boomhauer returns to his old stomping grounds to regain his lost surfing mojo after he humilates himself in front of some surf bullies at a water park.
Cotton crashes a party at an upscale Japanese restaurant, where he comes face to face with a chef who he mistakes for an enemy from his World War II days.