The Big Bang Theory
› Season 12
S12 E6: The Imitation Perturbation
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 date | Oct 25, 2018 |
|---|---|
| Runtime | 20 minutes |
| TMDB rating | ★ 7.4/10 |