"Stargate: The Ark of Truth," the first of two direct-to-video movies based on the long-running "Stargate: SG-1" TV series, will debut March 11 on DVD, MGM Home Entertainment is set to announce today.

There’s not much coming through the Stargate these days. The franchise hails from the early ‘90s, a time in media as different as any era the show’s heroes visited. The original Stargate movie, ...