Batman: The Telltale Series - Episode 4: Guardian of Gotham

Last thing you remember, Vicky Vale drugged you and revealed to be Lady Arkham, the leader of Children of Arkham terrorist group. Anything after that is blurry at best. Now, Bruce Wayne wakes in the Arkham Asylum, and not as a guest but an inmate. Turns out he beat Oswald Cobblepot to a pulp after being injected by the new drug, and until he finds a way to flush his system his mind will keep on playing tricks on him.