Which TV show had an episode "Treehouse of Horror XVII" between September 23,2007 and May 18, 2008?
Treehouse of Horror XVIII "Treehouse of Horror XVIII" is the fifth episode of "The Simpsons"' nineteenth season. It first aired on the Fox network in the United States on November 4, 2007. In the eighteenth annual Treehouse of Horror episode, Bart harbors Kodos the alien in "E.T., Go Home," Homer and Marge are husband and wife assassins who try to take each other out in "Mr. & Mrs. Simpson," and Ned Flanders is given God-like powers during his demonstration on the wages of sin in "Heck House." It was written by Marc Wilmore and directed by Chuck Sheetz.
List of Dollhouse episodes "Dollhouse" is an American science fiction television series created by Joss Whedon which premiered on Fox on February 13, 2009 in the United States. It ran for two seasons before its cancellation, ending its run January 29, 2010. The series comprises 27 produced episodes, with two unaired episodes – the original unaired pilot episode, "Echo" and the season one coda, "Epitaph One", which was aired internationally. Both episodes were made available on the season one DVD and Blu-ray releases.