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.

Two bank-robbing, escaped convict brothers take an ex-preacher and his family hostage while en route to a rendezvous at a hellish biker bar in Mexico.

With their lives and loved ones threatened, two strangers are forced to follow the orders of a mysterious woman who uses technology to track their every move.

A reporter stationed in the Middle East gets taken hostage after her convoy is attacked by a militant group, and her abductors suspect her true identity.

A discharged U.S. Special Forces sergeant gets a contract to work with a private organization, but the first assignment leaves the soldier on the run.

In 1965, a U.S. lieutenant colonel brings his unit to Vietnam, unaware that their assignment will turn out to be the first major battle of the Vietnam War.

A cop in the future is convicted of a murder he did not commit and fights for survival on a game show where the stakes are life or death.

A troubled teenager who is under house arrest begins to spy on his neighbors to pass time, and to his horror, he witnesses a murder at his neighbor's home.

An expert young getaway driver sees his freedom, love and life threatened after a crime boss convinces him to partake in a heist that goes awry.

Following the 2013 Boston Marathon bombing, the entire city of Boston comes together in order to bring the perpetrators to justice.

A rescue crew travels through space and time to uncover the truth regarding a space vessel found beyond Neptune seven years after its disappearance.

Tasked with enforcing a ban on emotions and freedom of expression, an elite government agent begins to doubt the Fascist regime that he works for.

An expert young getaway driver sees his freedom, love and life threatened after a crime boss convinces him to partake in a heist that goes awry.

A heavyweight boxing champion is convicted of rape and sent to prison where he contends for the prison boxing title against the 10-year reigning champ.

A discharged U.S. Special Forces sergeant gets a contract to work with a private organization, but the first assignment leaves the soldier on the run.

The laid-back sheriff of a small New Jersey town populated mostly by New York City cops discovers an intricate web of deception and police corruption.