
Blackie and gal pal Mary, and their dog Whitey, solve lots of Los Angeles crimes before the cops can do it.

As was customary in his late Monogram westerns, Johnny Mack Brown plays an undercover agent in Colorado Ambush. Brown is sent to Colorado to stem the activities of a particularly vicious outlaw gang

Set in Elizabethan times, the stooges help their friend Cedric the Blacksmith win the hand of the fair princess Elaine. The only problem is that Elaine is promised to the Black Prince who is plotting to take over the kingdom. The stooges manage to foil the plot and the grateful King allows Cedric to marry Elaine.

Hugh Herbert forms a company to relieve other people from worrying, but a jealous husband, Harry Barris, gives him sone unexpected trouble. Following some narrow escapes, Hugh works his way out of the trouble by making the husband believe he has killed his wife, Christine McIntyre.

The stooges are pharmacists who invent a fountain of youth formula that can turn old people young. They turn an old lady into a beautiful young woman, but when her husband takes the formula it turns him into a gorilla.

Two ex-cons plan to kill the range rider marshal who sent them to prison and, when their plan fails, join forces with their former boss, a crooked saloon owner who has the same idea.

Absent-minded Harry mistakenly goes home to his neighbor's house. Unfortunately, his neighbor is a beautiful blonde with an insanely jealous husband.

To inherit a fortune, voice teacher Shemp must marry before six o'clock, but no girl will accept his proposal. Finally one of his repulsive students agrees to marry him, just in the nick of time. When the rest of the prospective brides hear about the inheritance, they show up at the ceremony and a free for all ensues. Shemp marries his student before the deadline, and then finds out that there is no inheritance. Moe and Larry have tricked him into marriage as revenge for their marrying his shrewish sisters.

The stooges go out west for Shemp's health and get mixed up with some bad guys. The villains have locked up the Arizona Kid and their leader plans to marry his girl, Nell. The boys help the Arizona Kid escape and he rides to fetch the Cavalry. Somehow, the stooges manage to defeat the bad guys before the Cavalry arrives.

A member of a band practicing for an upcoming commercial finds out from his girlfriend that she got a job as nurse to a rich but eccentric old man, Mr. Lark. Believing that music can cure those with mental problems, he and his band accompanies the nurse to Lark's mansion in order to "cure" him.

Joe's wife, who thinks he's been carrying on with another woman, moves out.

Sterling works as a woman's hosiery salesman, and marries one of the office secretaries only to find out that his boss has just decided that anyone in his employ that gets married will be fired. His antics to keep his wife and his boss apart leads to troubles on both fronts.

Muriel Allen needs an escort to Alice Preston's dinner party, and her maid Petunia mistakenly places a telephone call to Acme Exterminators instead of Acme Escorts. It's Shemp and Tom to the rescue, and they're assumed to be cultured college seniors. Guest of honor Lord Wafflebottom follows the pest exterminators' lead in proper American party manners, turning the dinner party into an uncouth display. When mice are conveniently spotted, the boys go to work, disrupting the party and the entire mansion.

Newlyweds Eddie (Joe DeRita) and Betty (Christine McIntyre) barely moved into their new house before Betty's mother (Esther Howard), aunt (Patsy Moran) and brother (Charles Williams) show up and give every indication of becoming permanent free-loading guests. Dick (William Newell) gives Eddie a plan that will cause his unwanted guests to vacate the premises, by having Dick and his wife, Ruby (Dorothy Granger), move in as Eddie's relatives, and even bigger pests, thereby causing Betty's relatives to move out. The plan works and Eddie and Betty are pleased until Dick announces that he and Ruby have intentions of staying on.

As a publicity gimmick, Harry has to announce his radio show from a real haunted house.