Watch S12, EP6: The Imitation Perturbation with Fubo for $0 Today
When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party; Leonard is shocked when Penny doesn't remember their first kiss.
When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party; Leonard is shocked when Penny doesn't remember their first kiss.
More episodes
The Big Bang Theory
S6, EP20 "The Tenure Turbulence"The girls get involved when Leonard, Sheldon and Raj compete for tenure at the University.
The Big Bang Theory
S3, EP9 "The Vengeance Formulation"After being humiliated on the radio, Sheldon vows to destroy Kripke; Wolowitz tries to not ruin his new relationship with Bernadette.
The Big Bang Theory
S11, EP13 "The Solo Oscillation"Sheldon kicks Amy out to work solo; Amy and Leonard bond during a series of science experiments; Bert replaces Wolowitz in the band; Sheldon finds Penny a surprising source of scientific inspiration.
The Big Bang Theory
S11, EP14 "The Separation Triangulation"Koothrappali learns the woman he's dating has a very upset husband; Sheldon rents his old room for a quiet place to work.
The Big Bang Theory
S12, EP8 "The Consummation Deviation"Sheldon tries to bond with Amy's father, but when Wolowitz lures Mr. Fowler away with magic tricks, Sheldon has no choice but to bond with Mrs. Fowler; Koothrappali and Anu try to get physical for the first time.
The Big Bang Theory
S12, EP7 "The Grant Allocation Derivation"Leonard is caught between a rock and a hard place when he becomes responsible for distributing extra grant money; Bernadette turns the backyard playhouse into a hideaway to get away from her husband and kids.
The Big Bang Theory
S12, EP6 "The Imitation Perturbation"When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party; Leonard is shocked when Penny doesn't remember their first kiss.
The Big Bang Theory
S12, EP5 "The Planetarium Collision"When Amy doesn't have time to work on super-asymmetry, Sheldon goes to great lengths to ensure she's available; Koothrappali doesn't want Wolowitz to join him in hosting a show at the planetarium.
