Episode Title:
Darkness at Noon, Part 1 / Darkness at Noon, Part 2.
Episode Description:
Darkness at Noon, Part 1: Part one of two. When Achira, a disease-spreading entity, is released by a group of subway workers, former Ghostbuster Egon Spengler, now a professor teaching paranormal studies at a New York college, attempts to handle the situation alone, since his fellow Ghostbusters have all quit and are now leading normal lives...
Darkness at Noon, Part 2: Conclusion. With Achira spreading her disease through a possessed Kylie, Egon, himself infected, helps to train and equip the new recruits for battle.