Last night's episode finished first in key demographics, delivering the night's best showings with adults 18-49 and other key demos.
The Big Bang Theory was watched by 13.58m people, up by 1.95m from last week's episode. The show came second in households and total viewers, settling behind ABC behemoth Dancing with the Stars.
The Big Bang Theory delivered a 5.2/13 rating with adults 18-49, up 13% from last week. The show also recorded a 6.2/14 adults 25-54, an improvement of 15% over last week. Big Bang also set a 3.6/10 rating in adults 18-34, up 6% from last week.
The Big Bang Theory also managed to build on lead-in Two and a Half Men in the key demographics. Men scored a 4.6/12 rating with adults 18-49, against Big Bang's 5.2/13. Bang also posted higher numbers with adults 18-34 and 25-54.
, 16:09 18th May 2010.
, 15:21 18th May 2010.
, 02:07 15th May 2010.
, 00:16 12th May 2010.
, 15:25 11th May 2010.| Title | Date Posted | Category |
| Episode 3.23 Ratings | 25th May 2010 | Show |
| Episode 3.22 Ratings | 18th May 2010 | Show |
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| Episode 3.19 Ratings | 13th April 2010 | Show |
| Episode 3.18 Ratings | 23rd March 2010 | Show |