The Crooked Circle

Chicago psychiatrist Judd Stevens is suspected of murdering one of his patients when the man turns up stabbed to death in the middle of the city. After repeated attempts to convince the cops of his innocence, Dr. Stevens is forced to go after the real villains himself.

Mystery writer Cornelia Van Gorder has rented a country house called "The Oaks", which not long ago was the scene of some murders committed by a strange and violent criminal known as "The Bat". Meanwhile, the house's owner, bank president John Fleming, has recently embezzled one million dollars in securities and has hidden the proceeds in the house, but is killed before he can retrieve it.

Chinese detective Charlie Chan solves a murder linked to the occult. This movie had an alternative title: Meeting at Midnight.

Teenagers try to clear a friend accused of murder.

A group of people in an old dark house are terrorized by a mysterious hooded figure dressed in black who proceeds to kill them off one by one.

When Watson reads from the newspaper there have been two similar murders near Whitechapel in a few days, Sherlock Holmes' sharp deductive is immediately stimulated to start its merciless method of elimination after observation of every apparently meaningless detail. He guesses right the victims must be street whores, and doesn't need long to work his way trough a pawn shop, an aristocratic family's stately home, a hospital and of course the potential suspects and (even unknowing) witnesses who are the cast of the gradually unraveled story of the murderer and his motive.

A dimwitted thug encounters a strung-out, suicidal young woman and an unlikely relationship develops as they work together to make a break for new horizons.

An heiress suddenly vanishes! A detective comes to the forlorn mansion of the missing heiress's wheel-chair-ridden uncle to discover the secret behind the disappearance.

A singer, her girlfriends and a mystery writer stay in the house where her father was killed.

In the middle of preparing for her business’ biggest season, Diana Hart learns she inherited an old house from her beloved aunt. Matt, the estate attorney and her former flame, insists she stick around and sort out the details over Christmas break, as he tries to rekindle their old romance. But the longer Diana stays the more she finds clues that suggest her aunt was murdered, and that the culprit might be her handsome companion. Yet the bigger question is–will she survive Christmas?

A priceless Cellini silver cup is stolen from a local museum with both Hildegarde and Oscar on the case.

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

Police Inspector Ghote lives a middle-class life in Bombay along with his wife, Pratima. He has been employed with the Bombay Police for many years. He is assigned to investigate the deadly assault on a Parsi man named Perfect, who is the Secretary of Lala Heera Lal, a wealthy man with underworld links. Inspector Ghote commences his investigation and is displeased when his superiors ask him to work with a Swedish Forensic Expert by the name of Axel Svennson.

A schoolteacher and amateur sleuth suspects foul play when a fellow passenger on a seaplane gets sick and dies. The third and final film with Edna May Oliver and James Gleason as the astute schoolteacher Hildegarde Withers and the New York Police Inspector Oscar Piper busy solving crimes.

Scion of the once-rich Mitchell family, Herbert Wynn is found shot to death. Nurse Adams, bored by hospital routine, is recruited by the police to ferret out clues as she tends to Wynn's elderly aunt Julia. Jokingly given the 'rank' of Miss Pinkerton, after the famous detective agency, Adams probes into the mystery, but not before a second death.

Father Brown was a Catholic priest who doubled as an amateur detective in order to solve mysteries.

Father Brown is based on G. K. Chesterton's detective stories about a Catholic priest who doubles as an amateur detective in order to try and solve mysteries.

A team of dedicated amateurs work on cases involving unidentified victims. After the police have given up, this group must first solve the puzzle of the victim's identity in order to then help catch the killer. They work to give the deceased back their names, lest they become—The Forgotten.

Working from his home in a converted windmill, Jonathan Creek is a magician with a natural ability for solving puzzles. He soon puts this ability to the use of solving impossible crimes and mysterious murders.

Quincy, M.E. is an American television series from Universal Studios pert in several of the later episodes.

Fred, Daphne, Velma, Shaggy, and the talking dog, Scooby-Doo, travel on the Mystery Machine van, in search of weird mysteries to solve.

Wealthy couple Jonathan and Jennifer Hart, a self-made millionaire and his journalist wife, moonlight as amateur detectives.

Mr. & Mrs. North is an American comedy/mystery television series that aired on CBS from October 3, 1952 to May 25, 1954. The series centers on Jerry North, a mystery magazine publisher who thinks he is a good amateur detective, and his wife, Pamela, as they solve crimes in New York City.

The Bletchley Circle follows the journey of four ordinary women with extraordinary skills that helped to end World War II. Set in 1952, Susan, Millie, Lucy and Jean have returned to their normal lives, modestly setting aside the part they played in producing crucial intelligence, which helped the Allies to victory and shortened the war. When Susan discovers a hidden code behind an unsolved murder she is met by skepticism from the police. She quickly realises she can only begin to crack the murders and bring the culprit to justice with her former friends. The Bletchley Circle paints a vivid portrait of post-war Britain in this fictional tale of unsung heroes.

Sir Arthur Conan Doyle, Harry Houdini and Stratton are tasked with the cases that nobody else can solve. It challenges their sense of what is real and what is not. Houdini is a skeptic, while Doyle believes in the unseen. Their diverse viewpoints make solving crime a challenge and often Stratton is put in the middle. The trio will take on cases that involve vampires, ghosts, monsters and poltergeists…or are they a ruse to conceal murder?

Burnt out on office politics, Agatha Raisin retires early to a picturesque village in the Cotswolds and soon finds a second career as an amateur detective investigating mischief, mayhem, and murder in her deceptively quaint town.

A gameshow in which three amateur sleuths head to the fictional town of Mortcliff to solve a deadly crime, from the comfort of the Armchairs in the studio. They'll watch the drama play out as Mortcliff's crack team of detectives - DI Knight, DC Slater and Scenes of Crime Officer Simmons - make enquiries with the local residents.

When General Fentiman is found dead in his chair a the posh Bellona Club, the cause seems straightforward: a heart attack brought on by old age. The Lady Dorland, the General's sister, dies on the same day. Is it a startling coincidence or something more sinister? Called in to investigate, Lord Peter becomes suspicious of the general's grandson, whose peculiar behavior and whereabouts on the night of the deaths seem incriminating. But these suspicions are overshadowed by the discovery that Miss Dorland, Lady Dorland's niece, has an abiding interest in poisons.

Nancy Drew makes plans to leave her hometown for college, but finds herself drawn into a supernatural murder mystery instead.

There's a murder at the elegant hotel where Miss Marple is staying and international adventurer Bess Sedgwick is the prime suspect.