British comedian Sacha Baron Cohen will lend his voice to a character on the U.S.

By Bill Keveney Homer Simpson is gunning for you, Matt Dillon. With Sunday's premiere (Fox, 8 ET/PT), The Simpsons will tie Gunsmoke's record of 20 seasons on the air.

When a show reaches an impressive 350 episodes, it's fair to reflect on its mortality. So how long can "The Simpsons," which hits the milestone Sunday, keep going? "I don't see any end in sight," creator and executive producer Matt Groening told The Associated Press.

Irreverent, witty and willing to take on anything from politics to religion to family values, "The Simpsons" has provided a rare bit of spice for the oatmeal-bland bowl of TV broadcasting.