The Big Bang Theory
Season 12·EPISODE 06
The Imitation Perturbation
WatchedS12 · E06
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.
AIR DATEOct 25, 2018Original broadcast date
RUNTIME20m20 minutes
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