Futurama's fourth season began airing in 2002 and concluded after 18 episodes on August 10, 2003.
The complete 22 episodes of the season have been released on a box set called Futurama: Volume Four, on DVD and VHS. It was first released in Region 2 on November 24, 2003, with releases in other regions following in 2004. The season was re-released as Futurama: Volume 4, with entirely different packaging to match the newer season releases on July 17, 2012.
In this Emmy-winning episode the Planet Express ship travels through time to Roswell, New Mexico in 1947 and Fry becomes his own progeny.
As Christmas approaches...Bender faces execution when he fills in for the murderous Santa robot.
When the Professor fine tunes his What-If Machine, Bender discovers what it would be like if he were human, Fry discovers what it would be like if life were more like a video game, and Leela discovers what it would be like if she found her true home.
As Valentine's Day approaches...Bender's romance with the Planet Express Ship puts the crew in jeopardy.
Leela finally learns the truth about her parents and her own identity.
Although Kif, Amy's boyfriend, retrieves her parents' buggalo herd and rescues Amy when she is kidnapped, they still refuse to accept him.
Bender's longing to be remembered motivates him to become a tyrannical Pharaoh on Osiris 4.
Bender accidentally gets shot out into the heavens and becomes God to a race of tiny aliens only to fail in that position and meet the Real Thing.
A cryogenically frozen 1980s guy is thawed, becomes the CEO of the failing Planet Express company, and threatens to have it acquired and gutted by its largest competitor.
Leela believes she is a pioneer for women's athletics when she becomes the first female major league blernsball player.
Bender learns to cook and competes against the pretentious, popular chef Elzar in an Iron Cook chef contest; Dr. Zoidberg is struck with remorse when he frames Fry for his own misdeed.
The Planet Express crew finds itself pitted against the cast of the original Star Trek when an energy creature seeks to determine who is more worthy of his fanatical devotion.