A new officer has been arrested for robbing a liquor store while on an undercover assignment.

Sergeant Joe Friday and his partner Bill Gannon encounter a freaked-out young LSD user calling himself "Blue Boy"; before long, Blue Boy is "turning on" schoolchildren with the mysterious new drug.

A police officer is shot while making a routine check on a pair of paroled convicts that are parked near a liquor store.

A Japanese widow is senselessly murdered, leaving her small daughter an orphan. Friday has a hard time controlling his emotions while seeking the killer.

A neo-Nazi psycho has planted a bomb somewhere in L.A. Friday and Gannon have to find it.

Gannon goes undercover as a buyer in order to trap fur theives.

Friday and Gannon use newspapers, radio and TV to seek the public's help in identifying a hit and run driver.

A dead man has been found in a locked room, along with a gun that could not have been the murder weapon.

Friday and Gannon help an employee rescue her kidnapped boss.

Two con men, posing as bank examiners, are bilking the elderly out of their life savings.

An elderly apartment manager is found to have been beaten to death with a hammer.

Friday goes undercover with the Department's chaplain in order to break up a gambling ring.

Friday and Gannon try to figure out a pattern to a series of candy store hold-ups.

Friday learns about a scam artist with a novel twist: he uses an authentic Congressional Medal of Honor to solicit magazine subscriptions.

Over $200,000 worth of Imperial Jade is reported stolen in a burglary, and Friday and Gannon are on the case.

A gang of juvenile thieves have been stealing petty items in order to gain membership into an exclusive club.

Four bandits wearing red masks commit a series of robberies.