When Liz, Holly and Jeff go to Lake Lake for summer swimming fun, they don't expect to see the placid lake turn into turbulent waves--and find Zombie Surf Commandos from Mars. With a clever plan and quick thinking, the kids from W. Reid Elementary School manage to battle the zombies and send them back into space. Their town is back to normal--as normal as things ever are in the Weird Zone!
A huge beast bursts through the afeteria floor--it's just another day in the Weird Zone! Only a brilliant plan involving cauliflower and broccoli can subdue the creature.
Grover's Mill is a town where weird things are commonplace, such as a moving bump in the street pavement that leads Jeff Ryan to discover an invasion of furry, tunneling aliens.
Mike is excited to show his project at the school science fair. He has wired a potato to a radio to create a "potadio". But Mike gets more than he bargained for when the potato grows a mind of its own and decides to take over Grover's Mill--and the world!
The kids of Grover's Mill are faced with another invasion. An alien known as Klatoo is living in the Zone and following Jeff around. Klatoo wants something Jeff has so he can complete his plan to rule the world. Can Jeff save Grover's Mill?
Grover's Mill is a place where weird is normal so when the evil Tiki men pop up from the ground, the kids realize that they must restore the Zone in order to protect the town.