The Testament of Sister New Devil released on HBO Max's launch on May 27th, 2020. Both seasons are included. Every episode was originally rated TV-MA. In November 2020, all of the episodes were re-rated to include descriptors. The series was sub-only on HBO Max. The series left HBO Max on May 27th, 2022.

1 - "The Day I Got a Little Sister" - TV-MA-S

2 - "First Contract Between Servant and Master" - TV-MA-S

3 - "Reunion and a Gap in Trust" - TV-MA-S

4 - "Until Sadness Reaches Zero" - TV-MA-SV

5 - "A Little Sister's Morning Demon Lording" - TV-MA-S

6 - "Bearing Growing Emotions" - TV-MA-S

7 - "The Depths of Love and Hatred" - TV-MA-S

8 - "Erotic Succubus Out of Control" - TV-MA-S

9 - "Merits and Demerits of Master and Servant" - TV-MA-SV

10 - "Plaintive Betrayal" - TV-MA-SV

11 - "Espionage... What Lies After" - TV-MA-S

12 - "For This Night, This Moment" - TV-MA-SV

13 - "What I Can Do For You" - TV-MA-S

14 - "Suspicions Deepening Within Mysteries" - TV-MA-SV

15 - "My Cherished Feelings, For You" - TV-MA-SV

16 - "Amidst Entwining Plots" - TV-MA-S

17 - "Amidst the Wind Blowing Through the Battlefield" - TV-MA-SV

18 - "Between Reality and One's Own Truth" - TV-MA-S

19 - "Between Entwining Plots and Desires" - TV-MA-S

20 - "Those Contending For The Future" - TV-MA

21 - "Beyond the Endless Dream" - TV-MA-SV

22 - "The Consequences of What Must Be Done" - TV-MA-SV