The Big Bang Theory Season 12 Episode 6: The Imitation Perturbation

Name: The Imitation Perturbation
Released: 2018-10-25

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.

Aired 2018-10-25 · 20 min

The Big Bang Theory: all seasons and episodes

S12 E5: The Planetarium Collision
S12 E7: The Grant Allocation Derivation