Screen Gems has released a "legacy trailer" for Underworld: Awakening, which hits theaters nationwide January 20. This new video features footage from the first three movies - Underworld, Underworld: Evolution, and Underworld 3: The Rise of The Lycans - to get viewers caught up on the franchise before Underworld: Awakening debuts. Click on the video player below to brush up on the Underworld series, with a special introduction from franchise star Kate Beckinsale.