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Leonard smiles as he and Penny look at his laptop.
'The Fetal Kick Catalyst' - Season 10, Episode 6
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.
Air Date: October 27, 2016.