The Big Bang Theory (2007–2019)
8.1/10
3,051
2 user

The Cooper-Hofstadter Polarization 

Leonard and Sheldon's friendship is put to the test when Leonard wants to present a paper they co-authored at a physics convention, but Sheldon doesn't.

Director:

Joel Murray

Writers:

Chuck Lorre (created by), Bill Prady (created by) | 5 more credits »
Reviews

Photos

Edit

Cast

Episode complete credited cast:
Johnny Galecki ... Leonard Hofstadter
Jim Parsons ... Sheldon Cooper
Kaley Cuoco ... Penny
Simon Helberg ... Howard Wolowitz
Kunal Nayyar ... Raj Koothrappali
Talbott Lin ... Chinese Leonard
Howard Chan ... Chinese Sheldon
Edit

Storyline

Leonard finds a letter in the trash can, the letter an invitation for him and Sheldon to speak at an upcoming conference on the topic of their latest joint research findings. Sheldon threw the letter out since he didn't want to do it. This brings to the forefront several issues. Has Sheldon thrown out any other important letters to Leonard? Who has the right to their joint intellectual property, especially if Leonard wants to present? Whose idea was the research to begin with? In Penny's eyes, does Leonard own anything appropriate to wear to the conference? Can Leonard and Sheldon come to a compromise so that they will speak to each other and be friends again? Written by Huggo

Plot Summary | Plot Synopsis

Genres:

Comedy | Romance

Certificate:

See all certifications »
Edit

Details

Country:

USA

Language:

English | Mandarin

Release Date:

17 March 2008 (USA) See more »

Company Credits

Show more on IMDbPro »

Technical Specs

Runtime:

|

Sound Mix:

Stereo

Color:

Color

Aspect Ratio:

16:9
See full technical specs »
Edit

Did You Know?

Trivia

The Chinese physicist at the end is wearing a The Greatest American Hero (1981) t-shirt, the same one Sheldon (Jim Parsons) would later wear in Season 2, Episode 4, The Big Bang Theory: The Griffin Equivalency (2008) and future episodes. See more »

Goofs

The supersolid was discovered about 30 years before this aired. See more »

Quotes

Howard Wolowitz: I just checked the house, there must be twenty, twenty-five people in there.
Leonard Hofstadter: Wow.
Penny: Is that good?
Leonard Hofstadter: In physics, twenty-five is Woodstock.
See more »

Crazy Credits

In the opening scroll of the time line when it gets to 91,000 there is a mistake the dates read 93,000BC 92,000BC 91,0009C 90,000BC for some reason 91,000 is a 9c not a BC. See more »

Connections

References Girls Gone Wild on Campus 2 (2003) See more »

Soundtracks

Also Sprach Zarathustra
(uncredited)
Composed by Richard Strauss
[The piece is playing when Howard turns on the stereo from his laptop]
See more »

Frequently Asked Questions

See more »

User Reviews

Contribute to This Page

Free Movies and TV Shows You Can Watch Now

On IMDb TV, you can catch Hollywood hits and popular TV series at no cost. Select any poster below to play the movie, totally free!

Browse free movies and TV series

Stream Trending TV Series With Prime Video

Explore popular and recently added TV series available to stream now with Prime Video.

Start your free trial



Recently Viewed