High Quality Content by WIKIPEDIA articles! "Treehouse of Horror VII" is the first episode of The Simpsons` eighth season and originally aired October 27, 1996. In the seventh annual "Treehouse of Horror" episode, Bart discovers his long-lost twin, Lisa grows a colony of small beings and Kang Kodos impersonate Bill Clinton and Bob Dole in order to win the 1996 Presidential election. It was written by Ken Keeler, Dan Greaney and David S. Cohen and directed by Mike B. Anderson.Phil Hartman provided the voice of Clinton.