Groening created a cultural phenomenon with The Simpsons before turning his hand to the science fiction genre for follow-up Futurama. Despite a dip in quality in recent years The Simpsons has proven enduringly popular, still going strong with over 550 episodes and holding the title of longest running prime time U.S. television show. With erratic scheduling and a lengthy hiatus, Futurama's run proved less stable despite maintaining a loyal fan base and inventive writing up until its end in 2013.
After redefining the American family for a generation of viewers with The Simpsons and sneaking physics jokes into a show about a foul-mouthed robot in Futurama, where Groening will take us next?