Jeff Gibson attempts to reconnect with his old friend Elliot Markowitz so they can finally finish an RPG game they started when they were in high school.
After a strange morning changes them forever, Gibson and Elliot must join forces with their friends to figure out what's happened to them, and where they should go from here.
The grand opening of Underdog Comics fails to make much of an impact, so the gang decides to take up Lorelei Swift on her offer to visit Swift Industries.
Lorelei takes Simon and Mindy to a haunted amusement park to celebrate Halloween, while Gwen and Gibson help Elliot move out of the apartment he shared with Gretchen.
Overwhelmed with juggling her regular life with superhero duties, Mindy decides that something has to give; Lorelei's strange behavior causes Victor to grow suspicious; Gibson tries to cheer up Elliot.
Mindy suspects a classmate of being a villain and enlists Simon to help investigate; Victor and Gwen decide to get to the bottom of Lorelei's behavior; Elliot binge-watches TV with a delivery girl.
Mindy and Simon go to the Gamma Beta party to find the person using their powers to feed on the energy of their classmates; Gwen and Victor investigate what Lorelei could be hiding.
Featuring three holiday-themed Underdog tales: Gretchen hosts a Hanukkah marathon; Gibson goes Christmas shopping; Lorelei and Joel prepare for a holiday party.