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The Conjugal Conjecture

After Sheldon’s mother and Leonard's father share an evening together, everyone deals with an awkward morning the next day. Also, Penny’s family arrives for the wedding ceremony, including her anxiety-ridden mother, Susan, and her drug dealing brother, Randall.
Aired: Sep 19, 2016 Genre: ComedyCasts: Johnny Galecki Jim Parsons Kaley Cuoco Simon Helberg Kunal Nayyar Melissa Rauch Mayim BialikCreated By: Chuck Lorre Bill PradyProducers: Mark CendrowskiDuration: 22m Rating: 3.4 Country: United States of America Production: Chuck Lorre Productions, Warner Bros. Television