"That '90s Show" is the eleventh episode of the nineteenth season of the American animated television series The Simpsons. It first aired on the Fox network in the United States on January 27, 2008. Kurt Loder and "Weird Al" Yankovic both guest star as themselves, this being the second time for Yankovic. The episode was written by Matt Selman, and directed by Mark Kirkland. The episode's title is a parody of That '70s Show, a television program that also aired on Fox.

The nineteenth season of the American animated television series The Simpsons originally aired on the Fox network between September 23, 2007, and May 18, 2008. It was the final complete season to be broadcast in 4:3 and in standard definition, although the first half of season 20 would also retain this standard.