Nightmare Stage by Željko Malnar was a late night talk show hosted by maverick traveler and author Željko Malnar. It was broadcast live on Croatian TV station OTV from October 3, 1992 to 2005, then picked up by Z1 from 2005 until the show's end on June 26, 2010.

Željko Malnar was a Croatian maverick traveller, writer and a fringe television celebrity, best known for his own weekly show Nightmare Stage and his satirical micronation the Republic of Peščenica.