TV Guide Showtime Extreme Thursday

A doctor has a theory that a previously unknown creature materializes inside human bodies during sex, and she tries to prove her hypothesis.

A former homicide detective suffering from memory loss must put the pieces he can't recall together to solve a decade-old investigation.

Lorine Padilla joins a street gang in the New York City borough of the Bronx prior to becoming a spiritual adviser and an activist.

Not totally convinced that Jason is dead, Tommy Jarvis visits the graveyard where he is buried and is mortified when the psycho killer is brought back to life.

A man searches for his kidnapped wife after their car breaks down in the desert while they are on a cross-country trip from Massachusetts to California.

The leaders of seven wealthy democracies become fearful for their lives when they begin to experience a series of horrifying events.

An ex-FBI agent travels across the ruins of civilization after a deadly virus outbreak, protecting a young woman with a strange immunity to the disease.

Rising flood waters complicate the mission of an armored car driver and his nephew when a gang of thieves, a crooked sheriff and the elements interfere.

Two rebellious vampire sisters join forces on a mission to rescue their younger sister who was kidnapped by the same person that killed their parents.

In 1954, a U.S. Marshal searches an insane asylum on a remote island for a missing inmate, discovering that the institution has closely guarded secrets.

A crime boss with a terminal illness is in prison for armed robbery, so she contacts her son for help pulling off one last heist to regain her freedom.

Mercenaries led by a violent criminal looking for vengeance for his son's death take an energy plant and everyone inside hostage, threatening a nearby town.

A freed slave travels across the United States with a German bounty hunter to liberate his wife from the clutches of a ruthless plantation owner in Mississippi.

A corrupt and violent town is the setting for three gritty tales of crime, retribution and revenge, featuring tough outlaws living by their own moral codes.

A Union soldier who fled from battle is sheltered by a heroic young Black man, but a desperate slave catcher is hot on their trail.