High Quality Content by WIKIPEDIA articles! "Saturdays of Thunder" is the ninth episode of The Simpsons` third season. It originally aired on the Fox network in the United States on November 14, 1991. In the episode, Homer takes a fatherhood quiz and realizes that he knows nothing about Bart. He strives to be a better father and learns that Bart is participating in a Soap Box Derby. Homer and Bart make a racer together; however, it is not very good. Bart decides to drive Martin`s far superior racer instead, after Martin is involved in an accident where he receives a series of serious skin burns. Homer is at first devastated, but decides that he must be a good father and support Bart.