The Big Bang Theory - Season 12, Episode 6 - Rotten Tomatoes

The Imitation Perturbation


Episode Info

When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party. Also, Leonard is shocked that Penny doesn't remember their first kiss.


Johnny Galecki
as Leonard Hofstadter
Jim Parsons
as Sheldon Cooper
Simon Helberg
as Howard Wolowitz
Kunal Nayyar
as Rajesh Koothrappali
Melissa Rauch
as Bernadette Rostenkowski
Mayim Bialik
as Amy Farrah Fowler
David Theune
as Dr. Graybel
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The Imitation Perturbation Photos

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