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.
No upcoming airings right now.
How it played
Cast and crew
- Cast
- Johnny Galecki, Jim Parsons, Kaley Cuoco
Past airings
- The Imitation Perturbation