All data obtained from @SonOfTheBronx on Twitter:

Son Of The Bronx/Programming Insider

Sept 8th, 2018 

Time
Show
Ratings
A18-49
10:00pm My Hero Academia 655,000 315,000
10:30pm Dragon Ball Super 695,000 363,000
11:00pm Attack On Titan 512,000 252,000
11:30pm FLCL: Alternative 440,000 222,000
12:00am Pop Team Epic 359,000 207,000
12:30am Jojo’s Bizarre Adventure 356,000 206,000
1:00am Hunter X Hunter 341,000 201,000
1:30am Black Clover 348,000 209,000
2:00am Naruto Shippuden 329,000 202,000
2:30am One Punch Man 285,000 178,000
3:00am Lupin The Third 271,000 180,000
3:30am Cowboy Bebop 268,000 175,000


Sept 9nd, 2017

Time
Show
Ratings
A18-49
11:00am Dragon Ball Super 913,000 539,000
11:30am DBZ Kai 849,000 501,000
12:00am Jojo’s Bizarre Adventures 655,000 393,000
12:30am Tokyo Ghoul 567,000 330,000
1:00am Hunter X Hunter 553,000 336,000
1:30am Lupin The 3rd 514,000 295,000
2:00am Naruto: Shippuden 531,000 311,000
2:30am Ghost In The Shell 417,000 246,000
3:00am Attack on Titan 374,000 215,000
3:30am Samurai Jack 362,000 193,000

If you want more data, you can check my spreadsheet here;. That will have further data including per year difference and A18-49 differences.

Let us know what you think in the comments below about the ratings.