The crew members encounter a bizarre alien with the power to change their sexual characteristics.
Crew members are able to swap minds thanks to a state-of-the-art gadget.
After a bungled Earth invasion, alien leader Lrrr faces a midlife crisis.
Leela leads an army of underground mutants in a rebellion against the surface people.
In this festive three-part episode, the Planet Express crew races to preserve the traditional practices of the classic holidays of Xmas, Robanukah and Kwanzaa.
