A huge, bird-like dragon known as the Hraesvelg causes the weather in New York to change drastically, and the XGBs must stop it before the weather threatens the city.
- Smooch of Victory: Slimer receives a kiss from Kylie for saving New York from the tornado.
- Unwanted Assistance: Slimer tries to aid the Ghostbusters in containing Hraesvelg but in doing so, makes it worse.