Fox has ordered two additional seasons of its half-hour series “The Simpsons,” which will take the animated comedy through 2007-08, its 19th season. In addition, Fox has picked up the animated comedy “King of the Hill” for 2006-07, the series’ 11th season.

“The Simpsons,” which debuted Jan. 14, 1990, is the longest-running animated series in history and the longest-running prime-time series currently on television. The show will hit its 400th episode in May 2007.

After “The Simpsons,” “Hill” is the longest-running comedy currently on prime-time television. The 200th episode of “Hill” will appear in May.

“The Simpsons” is a Gracie Films production in association with 20th Century Fox Television. James L. Brooks, Matt Groening and Al Jean are the executive producers.

Mike Judge and Greg Daniels are co-creators and executive producers and Michael Rotenberg, Howard Klein, John Altschuler and Dave Krinsky are executive producers for “Hill,” which is a 20th Century Fox Television production in association with Deedle-Dee Productions, Film Roman, Judgemental Films and 3 Arts Entertainment.