This Passing Parade entry looks at several historical "truths" that just aren't so: Steve Brodie never jumped off the Brooklyn Bridge; Mrs. O'Leary's cow did not start the great Chicago fire; Nero didn't fiddle while Rome burned; and Lady Godiva never rode naked through the streets of Coventry.

A mad scientist named Dr. Satan plots to steal key pieces of technology to enable him to build an army of robots based on his prototype to conquer America. The only one standing in his way is Bob Wayne, who fights Satan as the enigmatic Copperhead. Mysterious Doctor Satan is a 1940 film serial named after its chief villain. Doctor Satan's main opponent is the masked mystery man, "The Copperhead", whose secret identity is Bob Wayne, a man searching for justice and revenge on Satan for the death of his step-father. The serial charts the conflict between the two as Bob Wayne pursues Doctor Satan, while the latter completes his plans for world domination.

Rodeo rider Hurricane Smith is wrongly convicted of murder and robbery, but escapes and creates a new life, but one of the real criminals shows up to claim the loot which he believes Smith has.

A fired cameraman by way of a girl's mistaken identity wins back his job through pioneering work in television.

A young woman's murder sheds light on a crooked talent agency.

An apparent suicide by a rich woman leads her nurse and a policeman to an insurance scam.

A publicity man promotes his newspaper, but finds his boss always steals the credit.

In this short film, a small-town newspaper editor struggles with what to publish on his paper's front page.

With no other prospects, a World War I veteran puts the skills they taught him in the War to use.

Choreographer Bob Connolly and prolific screenwriter Crane Wilbur teamed up on the direction of Warner Bros.' The Patient in Room 18. Patric Knowles delivers a delightfully comic performance as Lance, an outwardly normal young man obsessed with detective stories. When his obsession threatens to lapse over into lunacy, Lance is sent to the hospital for a nice long rest. It isn't long before he gets mixed up in a genuine murder mystery, using his second-hand knowhow to solve the case. Up-and-coming Ann Sheridan is quite amusing as Lance's nurse and confidante, while the murderer is played by a fellow who is usually cast as the murder victim.

A shortage of zoo animals after World War II brings beautiful animal trainer Tanya, her financial backer and her cruel trail boss to the jungle. After negotiating a quota with the native king, they take more animals than allowed. Tarzan intervenes.

A Capone-like racketeer named Anderson, who after being chased out of one town by the authorities immediately sets up shop in another. Unable to get any tangible evidence against Anderson, DA Wayne orders his assistant Carter to dig up some dirt on the gangster boss. To do this, Carter pretends to turned crooked, joining Anderson's gang in order to accumulate evidence. Alas, Carter's girl friend Patricia knows nothing of her boyfriend's subterfuge, and she suspects the worst.