The science of funny is back! At work, physicists Leonard and Sheldon and their geek pals conquer the cosmos. At home, real life from dating to driving conquers them. This season, Leonard gets a girl. So does Sheldon. (Sheldon?!) Howard drives the Mars Rover into a ditch. Raj woos a terminator. Gorgeous girl-next-door Penny falls under the spell of Age of Conan. Special Features: 4-Disc Set Region [unknown] Widescreen Audio: Dolby Stereo - English Stereo 2.0 - Portuguese Subtitles - Spanish, French, Korean, Portuguese, Chinese, Thai Additional Release Material: Gag Reel Runtime: 558 Minutes.