Burbank, CA : Warner Home Video, 2007.
2 video discs (148 min.) Disc 1 is the movie; Disc 2 is Special Features.
Based on the short story "The sentinel" by Arthur C. Clarke.
Originally released as a motion picture in 1968.
When a monolith is found on the moon, astronauts equipped with a superintelligent computer attempt to find its origins.