The Bow Tie Asymmetry

"The Bow Tie Asymmetry" - Pictured: Penny (Kaley Cuoco) and Mrs. Fowler (Kathy Bates). When Amy's parents and Sheldon's family arrive for the wedding, everybody is focused on making sure all goes according to plan -- everyone except the bride and groom, on the 11th season finale of THE BIG BANG THEORY, Thursday, May 10 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Photo: Michael Yarish/CBS ©2018 CBS Broadcasting, Inc. All Rights Reserved.