The Simpsons in Martonia

 is an American animated sitcom created by and produced by  for the  which premiered on December 17, 1989, and has since run for 730 episodes. It revolves around the titular —Homer, Marge, Bart, Lisa, and Maggie—and satirizes middle-class life in America as well as American society.

In Martonia, the Saturn-owned cable channel Saturn One broadcast all 128 episodes in The Simpsons' first six seasons from February 1, 1990 to June 4, 1995. It stopped broadcasting the series after the Fox channel was launched on December 8, 1995, and broadcast a continuous marathon of The Simpsons from 4:30 p.m. to 10:30 p.m. MEST; the channel broadcast both past and new episodes of the show, and began airing the widescreen high-definition remasters in June 2016.

Fox also broadcast its own version of 's ''Every. Simpsons Ever.'' marathon from June 1, 2018 to June 13, 2018, which included all 640 episodes of seasons 1 to 29 running for 320 hours, making it the longest marathon in Martonian television history. The channel's final broadcast of The Simpsons was "" on December 8, 2019, followed by ; the channel was shut down the next day at 8:30 a.m MEST. On May 1, 2020, the show aired to Saturn One for the first time in almost twenty-five years.