1. Elliptical exercise in "The Tenure Turbulence" in Episode 20 of Season 6
Leonard (Johnny Galecki), Sheldon and Raj fight for tenure at the University, and the competition heats up when the girls get involved, on THE BIG BANG THEORY, Thursday, April 4th on the CBS Television Network. Also pictured: Regina King Photo: Michael Yarish/Warner Bros. ©2013 Warner Bros. Television. All Rights Reserved.