World on a Wire (German: Welt am Draht) is a 1973 science fiction television serial made for German television as a two-part miniseries. It was based on the 1964 novel Simulacron-3 by Daniel F. Galouye. A movie based on the same novel entitled The Thirteenth Floor starring Craig Bierko was released in 1999. Want to see the first ever vision of a simulation put on film? You gotta check out this episode.