The 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.

Identical twin cousins come to visit the Edison Twins and both sets of twins end up arguing.

Someone is sending Tom mysterious coded messages. Tom and Annie apply their knowledge of ciphering to de-code the messages.

Paul is convinced he has seen a flying saucer in his neighborhood and calls a press conference.

A radio contest with clues and a hidden $5000 prize gets everyone involved in a treasure hunt.

Paul decides to help Tom out with a geology assignment by buying some rocks for him, but he is accidentally sold some real 'hot' diamonds instead.

While Paul is looking after a dog, someone manages to steal the dog- The Edisons discover that several neighborhood dogs have been stolen.

The Edisons are planning to enter a swimming contest in which the swimmers can use any device to help them win the race.