Tom tries to prove that his friend, the school basketball star, is not deliberately throwing games.
The Edisons get involved in a feud between a hydrologist and a "water witch."
Paul meets a man who claims that his yard is being taken over by "mole people."
When Annie and her friend get trapped in a cave, Tom plans a rescue.
Lance gets his big break in showbiz when the leading man in a local production of "Romeo and Juliet" gets injured.
Tom and Annie's research on physical endurance levels is put to the test when Paul takes a long walk during a heat wave.
The Edisons become friendly with a famous balloonist and his daughter who are in town to raise money for their next expedition.
Computer chips start disappearing from a research company, prompting Annie to try to uncover flaws in the security system.
Annie helps Paul with his school project on ostriches.
The twins lure their parents into a fishing competition that pits the male members of the family against the females.
Annie, Paul and Lance participate in a wilderness race that takes them across river gorges and down the sides of cliffs.
Annie is determined to finish the wilderness race despite the ransacking of her campsite.
Conclusion. The person who pretended to be the "Windigo monster" mysteriously disappears after agreeing to turn himself in.