Professor Farnsworth installs an empathy chip in Bender after the inconsiderate robot flushes Nibbler down the toilet. With his newfound emotions, a concerned Bender ventures into the mutant-infested sewers to rescue Leela's beloved pet.

Upon destroying the new DOOP headquarters, Zapp Brannigan and Kif find themselves court-martialed and dishonorably discharged. They take up jobs at Planet Express, where Kif learns what respect feels like and Zapp incites a mutiny against Leela.

When the price of titanium skyrockets, Bender pawns his titanium-rich body and lives the high life as just a head. But when the head-in-a-jar of Richard M. Nixon uses Bender's body to run for election for President of Earth, Bender vows to get his rightful property back.

To apologize for an inconsiderate remark, Fry searches for the perfect Xmas gift for Leela, all the while trying to avoid the murderous SantaBot, whose standards for niceness are astronomically high.

When Dr. Zoidberg runs amok during the Decapodian mating season, Fry sets out to teach him how to woo a mate. Things backfire when Zoidberg's desired mate falls for Fry instead, and Zoidberg challenges Fry to a battle to the death.

Fry suspects Bender's new buddy, a bending unit named Flexo who looks almost exactly like Bender, of being pure evil. When a valuable atom of Jumbonium goes missing, Fry suspects Flexo, but can't tell which robot is which.

Fry's brief relationship with Amy is forcibly prolonged when a near-fatal car crash leaves Fry's head grafted to Amy's left shoulder. Meanwhile, Bender cashes in on Valentine's Day by starting a dating service.

Bender is the featured attraction in the Ultimate Robot Fighting League, but his glory is short-lived when he is instructed to intentionally lose his next match. Leela vows to lead Bender to victory, in an effort to show up her unsupportive martial arts teacher.

Leela meets Alkazar, who claims to be the only other remaining cyclops in the universe. But when Alkazar invites Leela back to his home planet and treats her like a slave, Fry suspects that something is amiss.

Professor Farnsworth unveils his clone, Cubert Farnsworth, whom he plans to leave everything to upon his retirement. But Cubert wants no part of Farnsworth's lifestyle, prompting the professor into a premature retirement on the Near-Death Star.

When Hermes takes a stress-relieving vacation, replacement bureaucrat Morgan Proctor becomes infatuated with Fry. Bender threatens to publicize their affair, but Morgan removes Bender's memory and hides it within the cavernous Central Bureaucracy.

A fishing trip over the ocean takes a turn for the worse when a colossal mouth bass pulls the Planet Express ship to the bottom of the sea. There, Fry falls in love with a mermaid named Umbriel, and the crew discovers the sunken city of Atlanta, Georgia.

Bender takes a new job in the Robot Mafia, but his loyalty is tested when he goes along on the robotic gangster's efforts to rob the Planet Express ship.

Mom reprograms the world's robots to rebel against humanity. The only hope of salvation is Mom's old flame - Professor Farnsworth, who must rekindle his romance with Mom in order to save mankind.

The crew discovers an irresistible source of food on a distant planet, and brings it back to Earth to be sold at the Fishy Joe's restaurant chain. But when it's discovered that the so-called "Popplers" are actually Omicronian babies, the Omicronians demand recompense.

The Professor's "What-If" machine simulates Bender, Leela and Fry's wishes. Bender discovers what it would be like if he were 500 feet tall, Leela discovers what it would be like if she were more impulsive, and Fry discovers what would happen if he never came to the future.

Fry and Bender enlist in the army to get a soldiers discount for bubblegum. When they are called to fight a war on a planet of bouncing ball aliens, Leela disguises herself as man to enlist with them. Bender is eventually sent to parley with the enemy, but this turns out to be a ploy.

When the inheritance Bender claims in the Old Country isn't quite what he expected, the Planet Express crew has to find the source of an age-old curse.

Fry is reunited with his old girlfriend from the 20th Century, but she doesn't adapt to the 31st century as well as he has. Convincing Fry to return to the cryogenic chamber, they awaken in a barren wasteland and struggle to make a place for themselves.