While investigating the appearance of a viking ghost, a physics professor unknowingly drags three of his students into his second life as a monster hunter.
The team finds out the hard way what happens when genetically engineered blob creatures, designed to protect crops from pests, run amok and target humans.
The Gardeners have gone berserk, targeting humans as pests, and combined into a giant, super Gardener. The team must hatch a plan to destroy it before they're hunted down and eaten.
An ordinary trip to the circus becomes extraordinary when all the clowns kidnap the audience. Now Liz must overcome her coulrophobia if she is to save her friends.
Roger, of all people, is inducted into the school's most prestigious fraternity. But what is its connection to the recent disappearances of homeless people in the city?