<Tr> <Td_colspan="2"> Next → Season 2 </Td> </Tr> <Tr> <Td_colspan="2"> List of The Simpsons episodes </Td> </Tr> <P> The Simpsons' first season originally aired on the Fox network between December 17, 1989 and May 13, 1990, beginning with the Christmas special "Simpsons Roasting on an Open Fire". The executive producers for the first production season were Matt Groening, James L. Brooks, and Sam Simon . </P> <P> The series was originally set to debut in autumn 1989 with the episode "Some Enchanted Evening", which was meant to introduce the main characters; during the first screening of the episode, the producers discovered that the animation was so appalling that 70% of the episode needed to be redone . </P>

When did the first episode of the simpsons air