WWE SmackDown, also known as Thursday Night SmackDown, is a professional wrestling/sports entertainment television program that debuted on August 26, 1999. Prior to September 1, 2005, SmackDown was broadcast on Thursday nights; from September 9, 2005 to January 9, 2015, it was broadcast on Friday nights. The show returned to Thursday nights on January 15, 2015 naming it Thursday Night Smackdown. SmackDown originally debuted in the United States on the UPN television network on April 29, 1999, but after the merger of UPN and the WB, SmackDown began airing on The CW in September 2006. The show remained on the CW network for two years until it was moved to MyNetworkTV in October 2008. SmackDown moved to Syfy on October 1, 2010, where it remains today.