In the season 1 episode "Krusty Gets Busted" of The Simpsons, the beloved TV clown Krusty the Clown is framed and arrested for armed robbery. The episode begins with Bart and Lisa witnessing the robbery at the Kwik-E-Mart and they are shocked to see that it was their hero, Krusty, who committed the crime. As a result, Krusty's show is canceled, and his merchandise is pulled from shelves.
Bart is certain that Krusty is innocent, so he starts his own investigation to clear the clown's name. Through a series of mishaps and clues, Bart and Lisa discover that the real criminal is Krusty's sidekick, Sideshow Bob. He framed Krusty in an elaborate scheme to take over his show and fame. With the help of the evidence, Krusty is proven innocent, and Sideshow Bob is arrested.
In the end, Krusty's show is back on the air, and he is exonerated. The episode ends with Sideshow Bob plotting his revenge on Bart in a foreshadowing of future conflicts between the two characters. "Krusty Gets Busted" is known for its humor, clever storytelling, and the introduction of Sideshow Bob as a recurring villain in the series.