TV Ratings: Rising ‘Criminal Minds’ finale, ‘Black-is’ aid Wednesday split

Fast National ratings for Wednesday, May 6, 2015.

“Criminal Minds” had its lowest-rated season finale ever, but still grew week-to-week and ranked as Wednesday's most watched show, helping CBS to an overall win for the night. A solid rise for “Black-ish,” meanwhile, played a big part in ABC's won among young viewers.

Not surprisingly, the week's biggest droppers were “Law & Order: Special Victims Unit” and “Chicago PD,” which were both highly inflated by last week's crossover event.

Also dropping on Wednesday were ABC's “The Middle” and “The Goldbergs,” FOX's “American Idol” and “The Mysteries of Laura,” which slipped below The Mulaney Line to a 0.9 key demo rating.

“Arrow” had a tiny key demo bump, while “Survivor” added a couple viewers.

Let's get to the numbers…

Among adults 18-49, ABC averaged a 1.9 rating for Wednesday night, tops in the key demographic. CBS was second with a 1.7 key demo rating, followed by FOX's 1.5 key demo rating. NBC was fourth with a 1.2 key demo rating, while The CW's 0.8 key demo rating was fifth.

Overall, though, CBS averaged an estimated 8.805 million viewers and a 5.5 rating/9 share for Wednesday primetime. The other three networks were in a bunch. FOX averaged 6.875 million viewers and a 4.4/7, followed closely by ABC's 6.5 million and 4.1/7 and by the 6.37 million viewers and 4.3/7 for NBC. The CW averaged 1.96 million viewers and a 1.3/2 for the night.