Sherlock Holmes investigates a series of so-called "pajama suicides". He knows the female villain behind them is as cunning as Moriarty and as venomous as a spider.

Scat Sweeney and Hot Lips Barton, two out of work musicians, stow away onboard a ship bound for Rio, after accidentally setting fire to the big top of a circus. They then get mixed up with a potential suicide Lucia, who first thanks them, then unexpectedly turns them over to the ship's captain. When they find out that she has been hypnotized, to go through a marriage of convenience, when the ship reaches Rio, the boys turn up at the ceremony, in order to stop the wedding, and to help catch the crooks.

In 1820 Spain, the son of a California nobleman comes home to find his native land under a villainous dictatorship. On one hand, he plays the useless fop, while on the other, he is the masked avenger Zorro.

Two ghosts, who were mistakenly branded as traitors during the Revolutionary War, return to 20th century New England to retrieve a letter from George Washington which would prove their innocence.

A young femme fatale realizes that the man she married is an incorrigible wastrel.

During World War II, all the studios put out "all-star" vehicles which featured virtually every star on the lot--often playing themselves--in musical numbers and comedy skits, and were meant as morale-boosters to both the troops overseas and the civilians at home. This was Universal Pictures' effort. It features everyone from Donald O'Connor to the Andrews Sisters to Orson Welles to W.C. Fields to George Raft to Marlene Dietrich, and dozens of other Universal players.

A fugitive, dangerous madman reaches an English village where he confronts his former partner who left him for dead in the jungle after their discovery of a diamond mine. When the former partner also claims to have since lost the mine and all its wealth, which he took all for himself, and though the partner is still living in a state of luxury , the madman takes up an offer from a crazed scientist to make him invisible, something the scientist has already done with experimental animals, so that he can take revenge.

Lord John Morgan has returned to civilized life in England, but finds he has nothing but disdain for that life. Yearning to embrace the simplicity of the American West, and the Sioux tribe he left behind, Morgan returns to the their land only to discover that they've been decimated by ruthless, government-backed fur traders. Led by Horse, they fight to repossess their land.

An artist is plagued by nightmares of a love triangle and murder. A psychic says the dream figure is his brother, a "troubled soul" from an ancient past life. Nearly born as his twin but miscarried, this past life rival now breaks through in nightmares in attempt to repeat history.

An enigmatic young man manipulates his way into working at the decaying mansion of a once prolific, but now reclusive and alcoholic, movie star named Katharine Packard. While the rest of the house staff become suspicious of Vic's intentions, the aging movie queen is smitten. But as Vic begins behaving in more and more erratic ways, it becomes clear that he's far more sinister than his demeanor implies.