The Big Bang Theory - Season 12 Episode 6 : The Imitation Perturbation 2019
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When Howard dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party. Leonard is shocked that Penny doesn't remember their first kiss.
Released: Jan 01, 1970
Runtime: 00:22:14 minutes
Genre: Comedy
Stars: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Melissa Rauch, Mayim Bialik