‘The Simpsons’ marks 450th episode with special
To speak of the latest milestone by “The Simpsons” seems to restate the obvious.
On Sunday at 8 p.m. EST on Fox, “The Simpsons” is airing its 450th episode. “Once Upon a Time in Springfield” will be followed by an hourlong documentary from Morgan Spurlock (”30 Days,” “Super Size Me”), fancifully titled “The Simpsons 20th Anniversary Special in 3-D on Ice.