NOW Comics Vol. 1 #28
Egon and Janine visit Janine's cousin Michele only to learn that in 1840, her ancestor, a witch named Ginerva Jacobs, possessed her sister and killed her son Aaron Jacobs. Alec Aaron Jacobs, the son of Michele then sees Aaron's ghost, and eventually Ginerva possesses Michele and attempts to make her kill Alec. Egon and Janine then know that their only hope is to go back in time and destroy Ginerva before she kills Aaron Jacobs.
- The cover depicts ghosts escaping the Containment Unit, though this does not happen in the actual story.
- This is a reuse of the cover for Marvel Comics The Real Ghostbusters Issue 37.
- This comic was published the same month as Slimer! issue #19, for which it was the last of it's normal ongoing run.