The return of TGIT sent ABC's ratings higher.

ABC: Grey's Anatomy (9.5 million/2.6 rating) and How to Get Away with Murder (5.4 million/1.5 rating) surged to season highs, while Scandal (7.7 million/2.1 rating) returned with its best numbers in 11 months.

Watch Scandal Season 6 Episode 1 Online

People still love to get their fill of Shonda's dramas. Props to Grey's Anatomy for performing so strongly after 13 years on the air.

The CW: Supernatural (1.7 million/0.6 rating) moved to an earlier time slot and managed to stay in line with recent ratings. Riverdale (1.4 million/0.5 rating) had a modest debut when you consider the relentless promotion for the series.

We'll need to wait a few weeks to get a clearer picture on whether it will be a success, or not.

Fox: Hell's Kitchen (4 million/1.2 rating) and My Kitchen Rules (2.2 million/0.8 rating) slipped a tenth.

CBS: It was encores of The Big Bang Theory (9.3 million/1.6 rating), The Great Indoors (7.1 million/1.2 rating) and the series finale of Pure Genius (5.2 million/0.7 rating). CBS also aired a Mary Tyler Moore Special (6.7 million/0.7 rating).

NBC: It was encores of Superstore (2.4 million/0.7 rating), Chicago Med (4 million/0.7 rating) and The Blacklist (2.5 million/0.5 rating).