Deadly Duo (1962)

A sister and her disturbed twin are implicated in a murder and a police detective must figure out which one's the killer.

A nurse is forced to spring a wounded murder suspect from the hospital when the man’s brother kidnaps his pregnant wife and wants to make a trade.

Estranged twins Lizzie and Shane are chosen for a Survivor-like popular game show with college scholarships as the prize.

When librarian Taylor Harris suddenly loses her job, she decides to visit her brother in a small town in Montana. There, she gets involved in the fight to help save her brother's hotel from tycoon Joel Sheenan, who wants to renovate it.

Identical twins Kate and Chris Lockhart plot to be the other sister – at Kate’s office and Chris’ school – and take on planning their sister’s Christmas events. One rule, though: no romance.

Francis and Blake Falls are Siamese twins who live in a neat little room in a rundown hotel. While sharing some organs, Blake is always fit and Francis is very sickly. Into their world comes a young lady, who turns their world upside down. She gets involved with Blake, and convinces the two to attend a Halloween party, where they can pass themselves off as wearing a costume. Eventually Francis becomes really ill, and they have to be separated. They then face the physical and mental strains that come from their proposed separation.

Identical 9-year-olds from very different backgrounds: orphaned Amanda and wealthy Alyssa meet at summer camp and decide to switch places -- and play matchmaker between Alyssa's dad, Roger, and the kind social worker who cares for Amanda.

A mentally challenged girl proves herself to be every bit as capable as her "perfect" sister when she moves into an apartment and begins going to college.

Love for the same woman causes conflict between an over-achieving blind athlete and the brother who made him that way.

When the owner of the Minnesota Twins passes away, he bequeaths the team to his preteen grandson. The newly minted head honcho quickly appoints himself manager, causing unrest in an organization that struggles to take orders from a 12-year-old.