Was geschah in dieser Nacht?

Summer 1870. Following the French defeat at Sedan. Léon, a soldier in a detachment isolated in the Ardennes forest, is sent in search of water. When he discovers the most peaceful of rivers, he decides to undress and bathe in it. At bend of the river he catches sight of another naked swimmer. It's a Prussian! Both men start bickering a bit: aren't they supposed to be arch enemies? But they soon fraternize. Unfortunately the patrol has not vanished in the haze and they hear it coming. Each man gets hold of his uniform and runs away in two opposite directions. The only trouble is that Fritz the Prussian has donned the French uniform and Leon the Prussian one!

A hilarious comedy of errors starring Dolly Haas: Annie, the locksmith's daughter, and Georg, a car salesman, meet at the fair but quickly lose touch. Later, Annie is tasked by her father with delivering new locks to a countess's castle. At the train station, she is mistaken for the countess's niece, whose arrival is imminent. She is taken to the castle in a magnificent carriage and encounters Georg again, who is out for an unauthorized joyride in a stylish car. Each now believes the other to be extremely wealthy. When the real countess arrives at the castle, she enjoys playing along with the charade and poses as her own companion, with whom Count Egon falls in love. After the confusion is resolved, there are two happy couples.

A taxi driver, (Piel), finds an odd contraption on the back seat that renders him invisible, but his friend steals the device to rob a bank. An inventive comedy.

Theo Müller and his family inherit a vintage car that turns out to have a wayward mind of its own, fixing the family troubles and some romances with a series of guardian angel and/or matchmaking shenanigans.

In this classic German thriller, Hans Beckert, a serial killer who preys on children, becomes the focus of a massive Berlin police manhunt. Beckert's heinous crimes are so repellant and disruptive to city life that he is even targeted by others in the seedy underworld network. With both cops and criminals in pursuit, the murderer soon realizes that people are on his trail, sending him into a tense, panicked attempt to escape justice.

The two unemployed engineers Franzl and Bertl want to be the first to climb the Matterhorn from the dangerous north face. They travel by bicycle with Mizzl and Traudl but without telling them about their intentions. The women accompany them on the assumption that it is a touristical trip. All four camp in a tent at the foot of the Matterhorn and Franzl and Bertl secretly begin the dangerous ascent. The girls will have to follow the ascent together with the residents of the village and the guests of the mountain hotel using binoculars. The role of Franzl is played by Franz Schmid, the actual conqueror of the north face of the Matterhorn together with his brother Toni in 1931.

Famous composer Millöcker saves lovesick clerk Ferdinand from killing himself and helps him impress and get close to Henriette, the rich heiress the boy adores. But one day Ferdinand overhears Millöcker confessing his own love to the girl.

In 1756, a masked ball was officially celebrated in the Dresden Palais of the Saxon Minister Heinrich von Brühl. Unofficially, however, talks are taking place with the envoys of Austria, Russia and France with the aim of conspiring against the Prussian King Frederick II. The Prussian envoy, Major von Lindeneck, succeeded in bringing a copy of the concluded secret treaty to the Prussian king. Friedrich consults with his generals, who urge caution. Friedrich is stunned by the reaction and now develops a counter-plan. To do this, he sends von Lindeneck back to Dresden. However, the latter is not very enthusiastic about this, as he thinks he has reason to doubt his wife Blanche's marital fidelity, and he now has to leave her alone.

After a detective is assaulted by thugs and placed in an asylum run by Professor Baum, he observes the professor's preoccupation with another patient, the criminal genius Dr. Mabuse the hypnotist. When Mabuse's notes are found to be connected with a rash of recent crimes, Commissioner Lohmann must determine how Mabuse is communicating with the criminals, despite conflicting reports on the doctor's whereabouts, and capture him for good.

Berlin's theatre crowd is excited about the new operetta "Frau Luna". But for the head of the city's vice police, who was invited to the dress rehearsal, the costumes for the ladies onstage are a bit too revealing. He demands the show be cancelled as offensive. The president of the Thusneldenbund has taken it upon himself to alert everyone about the growth of immorality in the capital. The theatre director Knopp has come up with an idea to convince these "fine" gentlemen to let the operetta go onstage again: He intends to win over the friendship of the moral police and then nothing will stand in the way of "Frau Luna" once more being performed.

A mousy bank clerk is married to an ambitious woman.

Jenny confronts her cousin Harry: Did he embezzle her fortune? No. But he escapes with married lover Germaine only to return quickly because her husband pursues them. Jenny is convinced Harry is his own double and arrests him at gunpoint.

Story of the trials and tribulations of a German who emigrates to the US during the Great Depression.