Tim (Bill Bixby) is anxious to learn what it would like to be a Martian, so Uncle Martin (Ray Walson) gives Tim the power to read minds for a 24-hour period. Naturally, this special gift quickly backfires when Tim interviews Councilman Jack Gramby, a man who seems incapable of making up his mind--or giving a straight answer! (The Councilman is played by Alan Reed Sr., who at the time this episode was filmed was better known to TV fans as the voice of Fred Flintstone).
When a young woman begins a romance with a drifter, her brothers plot his death so they will not lose her as a household servant.
Jennifer Beale is abducted in the hopes her rich father, Joshua, the richest silver baron on the Comstock, will pay a $1M ransom. The plan unravels when the beautiful Della is killed and Hercules, who loves her, finds out who did it.
Martin feels that his youth is fading and asks Tim to help him rejuvenate himself with the aid of Black Light. However, things go awry when Tim screws up the process and Martin gets turned into an infant.
Hardie stumbles across the bodies of a man and his daughter, both shot in the head.
