SP FX: The Empire Strikes Back is a television documentary special which originally aired on CBS on September 22, 1980. Hosted by actor Mark Hamill, it is a behind-the-scenes look at the creation of the special effects (SP FX) in the second Star Wars film, The Empire Strikes Back, which was released that year. The special was written by Richard Schickel and directed by Robert Guenette, who had both previously worked on the 1977 special The Making of Star Wars.