 In 2011, Mulgrew appeared in the feature-length documentary "The Captains".The film, written and directed by William Shatner, follows Shatner as he interviews each of the actors who succeeded him playing a lead-role Starfleet captain within the "Star Trek" franchise.During that same year, on another science-fiction series, she began a recurring guest-starring role on the third season of the series "Warehouse 13", as the mother of one of the main characters.