On May 20th 2007, Fox’s long-running animated series The Simpsons aired its 400th episode. The Simpsons was created by Matt Groenig, whose comic strip Life Is Hell caught the attention of the Hollywood producer James L. Brooks. Brooks enlisted Groenig to create a cartoon short that would run during the Fox sketch comedy series The … Continue reading May 20 2007 The Simpsons airs 400th episode