A frozen monster is laying siege to the frozen foods aisle at the Joliville supermarket. Can the Monster Agency stop him before he turns all the customers into frozen treats and eats his way through the Averages’ favorite flavors of ice cream?
When they arrive at their vacation spot, Matt and his family discover that a mysterious monster has been terrorizing the lake and making it impossible to go swimming. They decide to have a closer look. The Agency van turns into a submarine and our heroes plunge into the watery depths…