<Tr> <Th> 12 </Th> <Td> 12 </Td> <Td> "Krusty Gets Busted" </Td> <Td> Brad Bird </Td> <Td> Jay Kogen & Wallace Wolodarsky </Td> <Td> April 29, 1990 (1990 - 04 - 29) </Td> <Td> 7G12 </Td> <Td> 30.4 </Td> </Tr> <Tr> <Td_colspan="8"> <P> While buying ice cream at the Kwik - E-Mart, Homer witnesses a robbery perpetrated by a man believed to be Krusty the Clown, host of "Krusty the Clown Show", Bart's favorite program . Krusty is sent to jail and his show is taken over by his assistant, Sideshow Bob . Bart is certain that Krusty is innocent, and gathers evidence to support his claim, which he takes to "Krusty's bestest friend", Sideshow Bob . Bart realizes that the robbery was actually committed by Bob, who was trying to frame Krusty . Bob is arrested and Krusty thanks Bart for saving him . Guest star: Kelsey Grammer . </P> Note: First episode to feature Kent Brockman . </Td> </Tr> <P> While buying ice cream at the Kwik - E-Mart, Homer witnesses a robbery perpetrated by a man believed to be Krusty the Clown, host of "Krusty the Clown Show", Bart's favorite program . Krusty is sent to jail and his show is taken over by his assistant, Sideshow Bob . Bart is certain that Krusty is innocent, and gathers evidence to support his claim, which he takes to "Krusty's bestest friend", Sideshow Bob . Bart realizes that the robbery was actually committed by Bob, who was trying to frame Krusty . Bob is arrested and Krusty thanks Bart for saving him . Guest star: Kelsey Grammer . </P> <Tr> <Th> 13 </Th> <Td> 13 </Td> <Td> "Some Enchanted Evening" </Td> <Td> David Silverman & Kent Butterworth </Td> <Td> Matt Groening & Sam Simon </Td> <Td> May 13, 1990 (1990 - 05 - 13) </Td> <Td> 7G01 </Td> <Td> 27.1 </Td> </Tr>

Who sponsored the first season of the simpsons