The Simpsons will be screened until at least 2008, as US broadcast network Fox have commissioned another two series. The show, currently in its 17th season, is the longest-running prime-time entertainment show in America. And creator Matt Groening insists the much-loved series will continue long into the future. He says, "I don't see any end in sight. I want to get to 366 (shows) so we have one for every day of the year, including leap year."