CBS has announced the details of Episode 2.11, The Bath Item Gift Hypothesis, which will air December 15th.
"The Bath Item Gift Hypothesis" - Christmas is a source of stress for Leonard - whose handsome colleague starts dating Penny - and his friends, who are being tormented by Sheldon's obsession with gift-giving etiquette, on THE BIG BANG THEORY, Monday, Dec. 15 (8:00-8:30 PM, ET/PT) on the CBS Television Network.
| Title | Date Posted | Category |
| CBS Announces Episode 3.19 | 15th March 2010 | Show |
| CBS Announces Episode 3.18 | 1st March 2010 | Show |
| CBS Announces Episode 3.17 | 25th February 2010 | Show |
| CBS Announces Episode 3.16 | 5th February 2010 | Show |
| CBS Announces Episode 3.15 | 29th January 2010 | Show |