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The Big Bang Theory S5E9 — The Ornithophobia Diffusion
8.1
The Big Bang Theory•Season 5•Episode 9

The Ornithophobia Diffusion

8.1/10 · 4,512 votesNov 10, 201121 min

Ranked #6 of 24 in Season 5•+0.2 vs season avg

Discussion

Leonard and Penny try hanging out as friends on a 'non-date', but end up purposely ruining each others chances with perspective dates. Meanwhile, Sheldon enlists the help of Bernadette and Amy to overcome his fear of birds.

Directed byMark Cendrowski
Previous episodeE8 · The Isolation PermutationNext episodeE10 · The Flaming Spittoon Acquisition
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Season 5 Episodes24

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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

Crew8

Chuck Lorre

Chuck Lorre

Story

Steven Molaro

Steven Molaro

Teleplay

Bill Prady

Bill Prady

Teleplay

Mark Cendrowski

Mark Cendrowski

Director

A

Anthony Del Broccolo

Story

David Goetsch

David Goetsch

Story

Eric Kaplan

Eric Kaplan

Teleplay

J

Julie Fleischer

Script Supervisor

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Episode Summary

"The Ornithophobia Diffusion" is episode 9 of The Big Bang Theory season 5. It scored 8.1/10 from 4,512 votes, ranking #6 of 24 episodes this season (season average 7.9). Directed by Mark Cendrowski, it aired on November 10, 2011.

Next: E10 · The Flaming Spittoon AcquisitionBest of Season 5