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The Big Bang Theory S11E4 — The Explosion Implosion

7.1

The Big Bang Theory•Season 11•Episode 4

The Explosion Implosion

7.1/10 · 3,111 votesOct 16, 201721 min

Ranked #18 of 24 in Season 11•−0.2 vs season avg

As Howard worries about fatherhood, he and Sheldon bond when they jointly assemble a model rocket. Meanwhile, Penny bonds with Leonard's mother, Beverly, much to his concern.

Directed byMark Cendrowski

Previous episodeE3 · The Relaxation Integration Next episodeE5 · The Collaboration Contamination

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

Steven Molaro

Steven Molaro

Teleplay

Mark Cendrowski

Mark Cendrowski

Director

Tara Hernandez

Tara Hernandez

Story

Maria Ferrari

Maria Ferrari

Story

Bill Prady

Bill Prady

Story

Eric Kaplan

Eric Kaplan

Teleplay

Jeremy Howe

Jeremy Howe

Teleplay

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Episode Summary

"The Explosion Implosion" is episode 4 of The Big Bang Theory season 11. It scored 7.1/10 from 3,111 votes, ranking #18 of 24 episodes this season (season average 7.3). Directed by Mark Cendrowski, it aired on October 16, 2017.

Next: E5 · The Collaboration Contamination Best of Season 11