It seems the ratings are unpredictable...
On Saturday 7/10 there was a 2.7/6 rating
On Saturday 7/17 there was a 3.5/7 rating
And this saturday 7/24 was a 2.3/5 rating
A decline in 1.2 rating points isn't to good, especially since this is supposed to be the timeslot for TAR in the fall.