Behind the Scenes Behind the Scenes: Happy (Belated) Birthday, Kat Barrell! Syfy Insider Exclusive Create a free profile to get unlimited access to exclusive videos, sweepstakes, and more! Sign Up For Free to View Behind the Scenes: Happy (Belated) Birthday, Kat Barrell! Take an exclusive look behind the curtain, as the cast sings Happy Birthday to Kat Barrell and kick ass on the set of Season 3 Episode 3. Watch the Full Episode