Minotaur (lost independent film; 1984)
From The Lost Media Wiki
Minotaur is an independent film released in 1984. The film stars Shane Sinutko as Theseus and was directed by Jim Piechocki.
Based on Ovid’s Metamorphoses and a contemporary short story by Carlos Fuentes, the movie was filmed in a mine in Las Vegas and had special effect make-up by Damon Charles. The creators of the robot from Terminator 2 designed the minotaur's fully articulated body mask.
The film was allegedly aired on PBS after which it was only made available to rent from the University of South California and other undisclosed schools and libraries. Currently, the film is not available online nor listed in the database of the USC Library.