Here's a look at tonight's sci-fi TV:
Stargate Universe, 'Subversion' – Franchise vets Richard Dean Anderson and Michael Shanks guest star, along with Rhona Mitra, in tonight's episode that kicks off a major arc for the series that will continue into next season. Dr. Rush starts having strange dreams about Col. Telford handing over sensitive SGC information to the Lucian Alliance. But could the real spy be someone else? (9 p.m. ET on Syfy)
Head after the jump for preview clips and more TV picks.