A young boy asks the Ghostbusters about a strange creature he has seen talking to his brother. Egon soon realizes that the boy described a Grundel, a creature who appears to young kids and turns them bad, until they become Grundels themselves.
A young boy asks the Ghostbusters about a strange creature he has seen talking to his brother. Egon soon realizes that the boy described a Grundel, a creature who appears to young kids and turns them bad, until they become Grundels themselves.