BIG_BANG_slider Thursday

Tonight at 8:00pm

“The Fetal Kick Catalyst” – Penny is surprised to learn she has fans of her performance in “Serial Ape-ist” when she attends Van Nuys Comic Con with Leonard. Also, Amy hosts a Sheldon-style brunch at Penny’s apartment, and Wolowitz makes an impulsive purchase when he starts stressing out about the baby on the way, when THE BIG BANG THEORY moves to its regular time period, Thursday, Oct. 27 (8:00-8:30 PM, ET/PT), on the CBS Television Network.