The Big Bang Theory Season 11 Episode 4

The Big Bang Theory → Season 11 → Episode 4: The Explosion Implosion
Leonard is devastated by the new friendly relation developing between his mother and Penny. Meanwhile Sheldon takes a detour with Raj and Howard to explore the old belongings of Howard's Science Models.
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Watch The Explosion Implosion
Air Date: 16 October 2017
Director:
Language: English
Runtime: 22 Minutes
More Info: IMDb

Cast: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Christine Baranski


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