Edison Twins

Tom and Annie crack some coded messages.

Someone sabotages Paul's school play.

Tom and Annie catch dognappers with sound.

The twins play backup for their brother Paul.

Con artists try to trick a widow with seances.

Everyone follows a radio station's clues to cash.

Annie has a crush on a boy with a dubious past.

Little Paul collects some stolen diamonds.

Paul thinks he has encountered a UFO.

Tom and Annie compete in a swim meet.

Overzealous Paul tries to trap a giant beaver.

Visiting twins compound Paul's problems.

Tom's robot goes haywire in the town junkyard.