The Big Bang Theory Season 9 Episode 23 - The Line Substitution Solution

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Watch The Big Bang Theory season 9 episode 23 online for free at WatchSeriesLite. Sheldon hires Stuart to spend the day with Amy when he’d rather go to a movie screening. Also, Leonard’s mother, Beverly, comes to town and Penny struggles to make a connection with her. The Big Bang Theory is an American sitcom that stars Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Sara Gilbert, Melissa Rauch and Mayi…

Air Date: May 5, 2016

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