91 Days released on HBO Max's launch on May 27th, 2020. Every episode was originally rated TV-MA. In November 2020, episode 14 was re-rated TV-MA-LV though the rest remained unchanged. In March 2021, the rest of the episodes were re-rated. The series left HBO Max on May 27th, 2022.

1 - "Night of the Murder" - TV-MA-LV

2 - "Phantom of Falsehood" - TV-MA-LS

3 - "Where the Footfalls Lead" - TV-MA-LV

4 - "Losing to Win, and What Comes After" - TV-MA-LV

5 - "Blood Will Have Blood" - TV-MA-LSV

6 - "To Slaughter a Pig" - TV-MA-V

7 - "A Poor Player" - TV-MA-LSV

8 - "Brief Candle" - TV-MA-LV

9 - "Behind the Curtain" - TV-MA-V

10 - "Black and Deep Desires" - TV-MA-LV

11 - "Proof of Good Faith" - TV-MA-V

12 - "All for Nothing" - TV-MA-LV

13 - "Slipping Through the Dirty Sky" - TV-MA-LV

14 - "Shoal of Time" - TV-MA-LV