Last night's episode came first in all key metrics. 15.44 million people tuned in to the show, giving it a 10.0/14 rating in households.
Revised figures: The Big Bang Theory once again built on Two and a Half Men in the adults 18-49 demographic, with Bang garnering a 5.4/13 rating up from Men's 5.1/12.
, 13:01 20th Feb 2010.
, 12:18 4th Feb 2010.
, 10:01 4th Feb 2010.
, 16:37 3rd Feb 2010.| Title | Date Posted | Category |
| Episode 3.23 Ratings | 25th May 2010 | Show |
| Episode 3.22 Ratings | 18th May 2010 | Show |
| Episode 3.21 Ratings | 11th May 2010 | Show |
| Episode 3.20 Ratings | 4th May 2010 | Show |
| Episode 3.19 Ratings | 13th April 2010 | Show |