Nielsen Ratings
| Season | Timeslot (ET) | Season premiere | Season finale | TV season | Rank | Avg. viewers (in millions) |
|---|---|---|---|---|---|---|
| 1 | Monday 8:30 P.M. | September 19, 2005 | May 15, 2006 | #54 | 9.47 | |
| 2 | Monday 8:30 P.M. Monday 8:00 P.M. |
September 18, 2006 | May 14, 2007 | #61 | 8.94 | |
| 3 | Monday 8:00 P.M. Monday 8:30 P.M. |
September 24, 2007 | May 19, 2008 | #70 | 8.21 | |
| 4 | Monday 8:30 P.M. | September 22, 2008 | May 18, 2009 | #49 | 9.42 | |
| 5 | Monday 8:00 P.M. | September 21, 2009 | May 24, 2010 | #42 | 8.60 | |
| 6 | Monday 8:00 P.M. | September 20, 2010 | May 16, 2011 | #48 | 8.79 | |
| 7 | Monday 8:00 P.M. | September 19, 2011 | May 14, 2012 | #45 | 9.67 | |
| 8 | Monday 8:00 P.M. | September 24, 2012 | May 2013 |
The highest viewed episode was the season 1 episode "The Pineapple Incident", watched by 12.27 million viewers. The lowest-viewed episode was the season 6 episode "Landmarks", watched by 6.41 million viewers, approximately 52 percent of the show's series high.
Season seven was the highest watched season overall and among the 18–49 adults, scoring a 4.1 rating in that sector up from the 3.4 rating it had for season six.
Read more about this topic: How I Met Your Mother