The broadcast drew an estimated 73 million viewers, at the time a record for an American television program.
The broadcast drew a vast television audience in addition to the 52,693 fans who had filled the Astrodome for its first basketball game.
The broadcast drew an estimated viewership of five million people, an enormous audience for that time.
The initial broadcast of the episode drew 3.472 million viewers, and earned a 1.1 rating in the 18-49 demographic.
The episode's Canadian broadcast, also on May 17, 2011, drew 1.58 million viewers.
The episode's Canadian broadcast, also on May 24, 2011, drew 1.77 million viewers.
The broadcast on Friday drew a huge audience, almost 90 million people, watched some portion of the fund-raising event.
The broadcast drew a sizable Canadian audience of 1.5 million viewers.
The broadcast of the final part on 4 January drew 13.8 million viewers, which remains the channel's highest ever audience to this day.
The broadcast drew the highest ratings for a television program up to then.