Dragnet (1967)

Sgt. Friday (Jack Webb) and Officer Gannon (co-star Harry Morgan) track a young gunman who has two hostages in a car. Suspect Donald Albers (Ronnie Rondell) takes a cosmetics manufacturer and her secretary Janet (Peggy Webber) for a "ride" after successfully getting Janet to withdraw $75,000 from a bank while he held her boss at gunpoint. But Albers forgot to consider Los Angeles' freeway traffic in his plans.

Sgt. Friday (Jack Webb) and Officer Gannon (Harry Morgan) are assigned to investigate an armed robbery in which a fellow policeman is a prime suspect. Officer Paul Culver (Kent McWhirter) had been a member of the Los Angeles Police Department for only 114 days. He was working undercover out of the Narcotics Division when a liquor store near where he was operating was held up. He fit the description of the holdup man as given by an eyewitness.

Sgt. Friday (Jack Webb) and Officer Gannon (Harry Morgan) working out of Robbery Division, search for armed thieves specializing in holding up cocktail lounges. The gang of four, always disguised in bright red masks, had successfully knocked over six bars in as many weeks. The only clues on which to work were the masks and a report that in each case the get away car was an old black Cadillac.

Sergeant Friday and Officer Gannon are called to a theater to investigate an acid-throwing incident. Traced to his home, a teenage suspect runs away — carrying a live grenade.

Sergeant Friday is in real trouble when he shoots and kills, in self defense, a man he catches jimmying a coin changer who opens fire on him. But he can’t seem to find the robber’s spent bullet.

A Midwestern businessman is swindled by shakedown artists who pose as vice officers. Sergeant Friday and Officer Gannon go undercover at the same hotel, with Gannon playing the role of a manufacturer from Nebraska.