Edison Twins

Tom and Annie have made several special effects for a play that Paul is directing at his school, but someone is trying to sabotage the show.

While the Edison's investigate a suspicious-looking set of 'monster' footprints, Paul gets spooked and accidentally falls down the bluffs.

Paul decides to "borrow" a new robot invention of Tom's to gain access to a junk yard, but the robot malfunctions and nearly destroys the junkyard.

Paul succeeds in getting a famous sixties rock stat ("Chops Dorfman") to give a surprise concert at his parent's anniversary party.

Annie befriends a new boy at school who is later accused of arson because of his past record of juvenile offenses.

Two crooks posing as spiritualists try to defraud the Edison's elderly neighbour by setting up a series of séances.