All data obtained from @SonOfTheBronx on Twitter:

Son Of The Bronx/Programming Insider

Jan 26th, 2019

Time
Show
Ratings
A18-49
11:00pm Dragon Ball Super 823,000 456,000
11:30pm Boruto 610,000 317,000
12:00am My Hero Academia 534,000 274,000
12:30am Mob Psycho 100 421,000 236,000
1:00am Megalobox 385,000 228,000
1:30am Jojo’s Bizarre Adventure 357,000 211,000
2:00am Black Clover 333,000 200,000
2:30am Hunter X Hunter 333,000 193,000
3:00am Naruto: Shippuden 354,000 180,000
3:30am Attack On Titan 235,000 121,000
4:00am Pop Team Epic 204,000 104,000
4:30am Gundam: IBO 196,000 113,000


Jan 20th, 2018

Time
Show
Ratings
A18-49
10:30am Dragon Ball Super 999,000 538,000
11:00am DBZ Kai 782,000 427,000
11:30am Black Clover 562,000 309,000
12:00am Jojo’s Bizarre Adventures 484,000 259,000
12:30am Gundam: IBO 398,000 228,000
1:00am Hunter X Hunter 386,000 226,000
1:30am Naruto: Shippuden 423,000 264,000
2:00am Outlaw Star 343,000 201,000
2:30am Space Dandy 319,000 196,000
3:00am Cowboy Bebop 389,000 251,000
3:30am Ghost In The Shell 375,000 228,000

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.