Annie and Tom are pre-occupied with a series of tests they are undergoing to gain acceptance into the student Summer Astronaut Orientation Program, and theyve given Paul permission to use the workshop to find a cure for his incurable hiccups. While Annie and Tom are fulfilling the sleep deprivation part of their testing, Paul sets chemistry in motion and accidentally concocts a dangerous explosive compound!
Annie has her heart set on breaking the 45 year old speed record for tricycles and has enlisted the help of Tom to design and build the record-breaking trike, and none other than Barney Rubberknees Youngfield, the original record holder, as her coach. During Annies training, the team begins to suspect that someone is out to sabotage Annies plans.
Tom and Brain plan to launch a model rocket and they borrow and install a teachers valuable altimeter in the rocket to record the height of their victorious launch. Their troubles multiply on the day of the launch when the rocket veers out of control, gets lost in the forest, and Paul in charge of security claims there are spies in the forest who are after the rocket!
Annie and her best friend, Gayle, are training fro an important race that could lead to the Olympics. Gayle is determined to go for the gold, and in her zeal to excel, goes overboard in her diet to lose weight.
The great Edison Bake-Off is on when Annie and Tom agree to enter a baking contest. Comedy ensues when Tom concocts his masterpiece in the kitchen in the tradition of the great male chefs, and Annie prepares her cake in the workshop using scientific method.
A solar eclipse is about to take place over Weston, and Tom plans to take pictures. His efforts are soon over-shadowed by a scientific solar eclipse team that rolls into town under the leadership of the charming Ned Rafferty.
Tom and Annie have volunteered to help their friend Millie prepare for her daughters upcoming visit by redecorating her entire apartment. When their plans fall through, the Edisons are forced to improvise.
While rock star Debbie Delicious visits her home town of Weston, her priceless one-of-a- kind guitar is stolen, and ransomed for ten thousand dollars. Meanwhile, Paul has rented the room above the workshop to a Mr. Joseph Bell, a person Paul is convinced to be the legendary Sherlock Holmes!
A high paying new job has turned Lance into an over-nigh success, buying gifts, cloths and cars like there was no tomorrow. Annies suspicions about Lances odd job are confirmed when his employers vanish, leaving Lance out of a job, and deeply in debt!
Toms friend J.J, the schools star basketball player, is experiencing a run of bad luck during games, and to make matter worse, rumors are spreading that J.J. is deliberately choking or fixing the game.
While visiting the Blakes farm to observe a well drilling, Tom, Annie, and Paul witness a long-time feud between Bud Howard, a Hydrologist who uses science to locate wells, and Noah Sedgwick, a water witch who douses for wells with a forked stick.
Tom is trying to design an experimental set of laser headphones, Annie is designing the lighting board for a local theatre group, and Lance has designs to meet the girl of his dreams, Juliet in the theatres production of Romero and Juliet