Lindy Powell finds a ventriloquist dummy in the dumpster behind a house and decides to call it Slappy. Lindy is soon being offered $20 to perform at birthday parties and Kris, her twin sister, begins to ask her parents for a dummy of her own. Mr. Powell brings home another ventriloquist dummy for Kris that she calls Mr. Wood and the two dummies come to life and start doing evil things.
Dr. Brewer, an ex-botanist, has been acting strangely, spending nearly all his time in the basement of his house, working on his plant experiments. He had warned his children, Margaret and Casey, to stay out, but they sneak in and catch a glimpse of gigantic and very strange plants that almost seem life-like. They begin to worry even more when Margaret finds that her father has been eating plant food, sleeping on a layer of dirt, and bleeding green blood.
Evan Ross has been dropped off at his elderly aunt Kathryn's house for a few weeks while his parents visit Atlanta. In a novelty store, Evan finds a metal can labeled "Monster Blood". The shopkeeper tries to stop the purchase and tells him not to return the item. The can is filled with green slime, which seems to breathe, and eventually grows to enormous amounts.
One summer day, four kids decide to investigate the Coffman House, an old house that several spooky stories revolve around. While searching the home, Greg Banks discovers a strange camera within a hidden compartment in a basement wall. He soon finds that pictures taken with the camera foreshadow future events.
12 year-old Gabe Hassad is spending Christmas vacation in Egypt with his parents. He is invited to explore a tomb by his Uncle Ben, an excursion on which he gets lost, and encounters some of its ancient residents.
