Last night's episode of The Big Bang Theory, the penultimate episode of the current season, finished first in the ratings for its time slot and was the night's number #1 program in the key demographics.

"The Launch Acceleration" was watched by 13.63 million people, adding 980,000 people from last week, and scored an 8.3/14 rating in households. The show was up 6% in households and 8% in total viewers. When compared to American Idol in the shared half-hour, The Big Bang Theory finished first in total viewers and households.

In the important 18-49 demo, The Big Bang Theory scored a dominant 4.6/15 rating, up by 12% from 4.1/13 last week. The show scored a 5.8/17 among adults 25-54 and a 3.2/12 rating among adults 18-34, up 5% and 19% respectively. These were the show's best ratings since the March 29, 2012 episode. The Big Bang Theory was the night's top-rated program in adults 18-49, 25-54 and adults 18-34.