[Vladimir]

Some facts:

Big Brother 1 premiered with over 13 million viewers in the summer of 2000 and had the largest premier rating then any other season thus far. Season 5 is 2nd place with over 9.7 million views week 1.
Big Brother 10 had the lowest week 1 ratings then any other season with 6.3 million viewers.

Big Brother 4 has the highest average rating then any other season with an average rating of 10 million views. Season 5 was second with 8.8 million views average an episode.

Season 10 averaged the lowest weekly ratings with 6.5 million viewers.

--Season 4, 8 both saw an increase of 700,000 views average from week 1.

--Season 3 had the highest rating finale with over 15.0 million viewers, Season 4,5 and 1 follows with over 10 million. Season 9 had the lowest with 6.8 million viewers.