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"The Big Bang Theory: The Bath Item Gift Hypothesis (#2.11)"
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"The Big Bang Theory" The Bath Item Gift Hypothesis (2008)

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The Big Bang Theory: Season 2: Episode 11 -- Leonards handsome colleague starts dating Penny. And Leonards friends are being tormented by Sheldon's obsession with gift-giving etiquette.


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9.2/10   3,173 votes »
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Chuck Lorre (created by) &
Bill Prady (created by) ...
View company contact information for The Bath Item Gift Hypothesis on IMDbPro.
Original Air Date:
15 December 2008 (Season 2, Episode 11)
Leonard is disappointed when Penny develops an interest in an attractive physicist at the university. Meanwhile, Sheldon struggles to find an appropriate Christmas gift for Penny. Full summary » | Full synopsis »
Plot Keywords:
User Reviews:
"The Bath Item Gift Hypothesis" is spectacular! See more (4 total) »


 (Episode Cast) (in credits order) (complete, awaiting verification)

Episode Crew
Directed by
Mark Cendrowski 
Writing credits
Chuck Lorre (created by) &
Bill Prady (created by)

Stephen Engel (teleplay by) &
Eric Kaplan (teleplay by)

Bill Prady (story by) &
Richard Rosenstock (story by)

Produced by
Lee Aronsohn .... executive producer
Kristy Cecil .... associate producer
Peter Chakos .... producer
Tim Doyle .... consulting producer
Stephen Engel .... consulting producer
Mona Garcea .... coordinating producer
David Goetsch .... co-executive producer (as Dave Goetsch)
Eric Kaplan .... co-executive producer
Chuck Lorre .... executive producer
Steven Molaro .... supervising producer
Faye Oshima Belyeu .... producer
Bill Prady .... executive producer
Mary T. Quigley .... co-producer
Richard Rosenstock .... consulting producer
Cinematography by
Steven V. Silver (director of photography)
Film Editing by
Peter Chakos 
Casting by
Ken Miller (casting by)
Nikki Valko (casting by)
Production Design by
John Shaffner 
Set Decoration by
Ann Shea 
Costume Design by
Mary T. Quigley 
Makeup Department
Peggy Nichols .... make-up artist
Faye Woods .... hair stylist
Production Management
Kelly Lee .... unit production manager (as Kelly-Anne Lee)
Second Unit Director or Assistant Director
Chris Klausen .... second assistant director
Howard Murray .... associate director
Anthony Joseph Rich .... first assistant director (as Anthony Rich)
Art Department
Scott L. London .... property master
Francoise Cherry-Cohen .... set designer (uncredited)
Sam Huston .... assistant property master (uncredited)
Bryan Rogers .... set dresser (uncredited)
Sound Department
Bob La Masney .... sound re-recording mixer
Charlie McDaniel .... re-recording mixer
Bruce Peters .... production sound mixer
Camera and Electrical Department
John O'Brien .... video controller (uncredited)
Robert Zeigler .... digital imaging technician (uncredited)
Casting Department
Adam Hochfeld .... extras casting (uncredited)
Costume and Wardrobe Department
Julie Heath .... key costumer (uncredited)
Editorial Department
Ryan Berdan .... post-production coordinator (uncredited)
Tony D'Amore .... final colorist (uncredited)
Todd Morris .... assistant editor (uncredited)
Music Department
Barenaked Ladies .... theme written and performed by
Gregory Sweeney .... music coordinator (uncredited)
Other crew
Don Foster .... executive consultant
Brian George .... production coordinator
Eddie Gorodetsky .... executive consultant
Mark Roberts .... executive consultant
David Saltzberg .... science consultant (as David Saltzberg Ph.D.)
Russell Eida .... assistant: lee aronsohn (uncredited)
Justin Hetzel .... production assistant (uncredited)
Susan Kesser .... publicist (uncredited)
Lisa Maniker .... product placement (uncredited)
Bethany Phillips .... assistant: executive producer (uncredited)
Anthony Robinson .... production assistant (uncredited)
Jennifer Shaklan .... writers assistant (uncredited)
Jason T. Welden .... computer/video playback (uncredited)
Crew believed to be complete

Production CompaniesDistributorsOther Companies

Additional Details

21 min
Sound Mix:
Argentina:13 | UK:15 (DVD rating)

Did You Know?

Sheldon hugs Penny for the first time despite his aversion to human contact.See more »
Errors made by characters (possibly deliberate errors by the filmmakers): In the beginning of the episode, Dave underhill entered the cafeteria scene and sat with a group of people. During the scene, he changes seat 3 times within a 15 second span.See more »
[first lines]
Sheldon Cooper:Your argument is lacking in all scientific merit. Now, it is well established Superman cleans his by flying into Earth's yellow sun, which incinerates any contaminant matter and leaves the invulnerable kryptonian fabric unharmed and daisy-fresh.
Howard Wolowitz:What if he gets something kryptonian on it?
Sheldon Cooper:Like what?
Howard Wolowitz:I don't know. Kryptonian mustard.
Sheldon Cooper:I think we can safely assume all Kryptonian condiments were destroyed when the planet Krypton exploded.
Raj Koothrappali:Or it turned into mustard kryptonite, the only way to destroy a rogue kryponian hot dog threatening Earth.
See more »
Movie Connections:
Features Wii Sports (2006) (VG)See more »
The Big Bang Theory Theme (Instrumental)See more »


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"The Bath Item Gift Hypothesis" is spectacular!, 8 June 2016
Author: adam greig from Canada

*** This review may contain spoilers ***

This episode is great! Mostly for the Penny and Sheldon hug!!!

Summary: It's Christmas and Sheldon refuses to celebrate. He decides to get Penny a gift. He has the guys help him an he buys a bunch of gift baskets for her. His plan: Open her gift first, pretend to have indigestion, go to his room and search up the price of her gift online and give a basket of equal value. However her gift is a signed napkin by Leonard Nimoy. It reads: "Live long and Prosper" Leonard Nimoy. Sheldon doesn't know what to say and he hugs her instead! Sheldon then brings every single gift basket he can find. The other part of the story is Penny falling for an attractive physicist that makes Leonard jealous so he tries to ride the guys motorcycle and it falls on Leonards leg.

This episode was amazing. The best of season 2 and maybe the series. Mainly because of the hug. When Sheldon hugs Penny the reactions with all of them are great. Jim Parsons acting is great and when he brings all the gift baskets you can't help but laugh at how happy he is. And Leonard and Penny exchanging gifts is great. Howard and Raj help Sheldon pick the gift baskets making the scene even better. Amazing writing and the hug topped it all off!

Great one Big Bang!

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