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The Big Bang Theory S12E6 — The Imitation Perturbation

8.2

The Big Bang Theory•Season 12•Episode 6

The Imitation Perturbation

8.2/10 · 3,701 votesOct 25, 201820 min

Ranked #3 of 24 in Season 12•+0.7 vs season avg

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.

Directed byMark Cendrowski

Previous episodeE5 · The Planetarium Collision Next episodeE7 · The Grant Allocation Derivation

Seasons12

All 1 2 3 4 5 6 7 8 9 10 11 12

Cast7

Johnny Galecki

Johnny Galecki

Leonard Hofstadter

Jim Parsons

Jim Parsons

Sheldon Cooper

Kaley Cuoco

Kaley Cuoco

Penny

Simon Helberg

Simon Helberg

Howard Wolowitz

Kunal Nayyar

Kunal Nayyar

Rajesh Koothrappali

Melissa Rauch

Melissa Rauch

Bernadette Rostenkowski

Mayim Bialik

Mayim Bialik

Amy Farrah Fowler

Crew7

Mark Cendrowski

Mark Cendrowski

Director

Tara Hernandez

Tara Hernandez

Story

Maria Ferrari

Maria Ferrari

Story

Steve Holland

Steve Holland

Story

Eric Kaplan

Eric Kaplan

Teleplay

A

Adam Faberman

Teleplay

Jeremy Howe

Jeremy Howe

Teleplay

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Episode Summary

"The Imitation Perturbation" is episode 6 of The Big Bang Theory season 12. It scored 8.2/10 from 3,701 votes, ranking #3 of 24 episodes this season (season average 7.5). Directed by Mark Cendrowski, it aired on October 25, 2018.

Next: E7 · The Grant Allocation Derivation Best of Season 12