Ethan thinks the tales of UFO sightings and alien abductions in his town are just bogus, until he sees something that changes his mind. Suddenly he discovers that he can do things he never thought he coud do, like martial arts, wrestling moves, combat, even weaponry. It felt like he had been programmed to fight, which he thought was pretty cool until he found himself running for his life.

School has finally started in Spooksville. For Adam and his friends the first day is disturbing. Their science teacher seems to be an alien monster!

Wendy is excited when she spots a cat charm in Mrs. Bast's booth, but Mrs. Bast refuses to sell it to her. She warns Wendy that it isn't a cat charm-- it's a "werecat" charm and it's dangerous. Wendy doesn't care, she grabs the charm, throws down some money, and runs. That night, at the stroke of midnight-- Wendy starts to change

Michelle promises to help two different teams on their science fair projects. She is finding it hard to keep it a secret, because if anyone finds out she is helping two teams win the same prize, she will be in a world of trouble!

Hannah won't open the bottle she found in Fear Lake, not after she reads the warning label. But her younger brother, Jesse, pulls off the cork and lets loose a genie who has been trapped inside for 100 years and who is not happy about it.