Marshall and his family are welcomed to their new home town by Betty Wilson who encourages Marshall's mom to buy ForeverWare - a special type of plastic container guaranteed to keep anything fresh forever.
Marshall's Dad invents Mr Wilson, a friendly ATM - so friendly that when Simon stops to chat, the machine starts giving him money (despite him not even having a bank account), which throws the whole of Eerie into bankruptcy.
It's Halloween and Marshall and Simon are stuck at home babysitting Simon's younger brother Harley. But the night isn't as boring as they expected, when Harley switches places with the mummy from the monster movie he's watching.
Marshall and Simon are surprised to find that instead of detention they get sent to have an eye test. But with his new glasses, Simon seems to have lost his sense of fun, and all he wants to do is study.
Melanie arrives in Eerie and both Marshall and his friend Devon fall for her. But when Devon is killed in an accident and his heart is transplanted into Melanie's body, she starts to act a lot like him.
Eerie doesn't have daylight savings time, but Marshall's determined not to miss out on the extra hour and sets his watch back anyway. Then everyone in Eerie disappears, except for some creepy garbage collectors and a strange milkman.
Professor Zirchon, renowned authority on the para-believable, announces that an extraterrestrial object he is tracking will land in Eerie. Marshall and Simon hope that they've finally found someone who might believe them.
When Marshall and Simon investigate an old haunted mill they discover that it's just a hoax, set up by a mysterious boy with gray hair. But then they uncover an old rusted gun and the ghost of Grungy Bill, Eerie's worst bank robber.
Mr Teller joins the Loyal Order of Corn, and Marshall and Simon discover that the Order is building what appears to be a giant TV screen. But when Simon steps into the screen he gets transported to another planet.
As the World o' Stuff's new marketing campaign takes subliminal advertising to a new level, sleepwalking customers start buying everything in sight on credit. But they should have read the small print.