THE BIG BANG THEORY Season 9 Episode 2 Photos The Separation Oscillation

“The Separation Oscillation” — Leonard confronts the woman he kissed on the North Sea in an attempt to set Penny’s mind at ease, on THE BIG BANG THEORY, Monday, Sept. 28 (8:00-8:31 PM, ET/PT), on the CBS Television Network. pictured left to right: Melissa Rauch and Simon Helberg Photo: Michael Yarish/Warner Bros. Entertainment Inc. © 2015 WBEI. All rights reserved.