“The Zazzy Substitution” — Leonard (Johnny Galecki, far left) and the guys are concerned as Sheldon (Jim Parsons, second from the right) searches for an alternative to human companionship with Amy Farrah Fowler (Mayim Bialik, second from left), and calls on his mother (Laurie Metcalf, far right) to help, on THE BIG BANG THEORY, Thursday, Oct. 7 (8:00-8:31 PM, ET/PT) on the CBS Television Network.
Photo: Richard Cartwright/CBS
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