With a pioneering spirit and enough merchandise to fill a Kwik-E-Mart, The Simpsons continues to enlarge the hearts and imaginations of generations of fans around the world.

To stay relevant, The Simpsons had to evolve, opening its doors to celebrity guest stars and new creative voices like Bill Oakley and Josh Weinstein.

Through internal strife and natural disasters, the animators gave The Simpsons their signature look, bringing everything the writers could imagine in 2-D to life.

The Simpsons writers' room is the stuff of TV legend. While the writers toiled away, tensions rose among the three creators, leading to Sam Simon’s departure from the series.

Problems plagued the launch of The Simpsons, causing it to miss its original debut date and throwing the future of the entire series into question.

James L. Brooks, Sam Simon, and Matt Groening combined to create a series of shorts for The Tracey Ullman Show that would propel Fox and its creators into television stardom.