All data obtained from @SonOfTheBronx on Twitter:
Son Of The Bronx/Programming Insider
Dec 30th, 2017 (Dragon Ball Super Marathon)
| Time | Show | Ratings | A18-49 |
|---|---|---|---|
| 10:30am | Dragon Ball Super | 832,000 | 520,000 |
| 11:00am | 864,000 | 526,000 | |
| 11:30am | 939,000 | 579,000 | |
| 12:00am | 970,000 | 583,000 | |
| 12:30am | 869,000 | 524,000 | |
| 1:00am | 883,000 | 553,000 | |
| 1:30am | 872,000 | 543,000 | |
| 2:00am | 793,000 | 484,000 | |
| 2:30am | 753,000 | 453,000 | |
| 3:00am | 703,000 | 442,000 | |
| 3:00am | 589,000 | 381,000 |
Dec 31th, 2016 (DBZ Kai Marathon)
| Time | Show | Ratings | A18-49 |
|---|---|---|---|
| 12:00am | DBZ Kai | 666,000 | 361,000 |
| 12:30am | 686,000 | 396,000 | |
| 1:00am | 658,000 | 386,000 | |
| 1:30am | 629,000 | 358,000 | |
| 2:00am | 591,000 | 348,000 | |
| 2:30am | 494,000 | 291,000 | |
| 3:00am | 482,000 | 294,000 |
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.