Chapter Four: Dear Billy
| Episode Number | 4 |
|---|---|
| Season | 4 |
| Aired | 2022-05-27 |
| Overview | Max is in grave danger... and running out of time. A patient at Pennhurst asylum has visitors. Elsewhere, in Russia, Hopper is hard at work. |
| Runtime | 79 minutes |
| Absolute Number | 29 |
| Finale Type |