Watch Oxygen's favorite hit shows and bonus clips.

OXYGEN

Texas authorities have a killer riding the rails and leaving a literal trail of bread crumbs after eating at victims' tables; when more murders are linked, the FBI names a Most Wanted suspect and a national manhunt for The Railroad Killer ensues.

Mark of a Serial Killer

An Appetite for Murder

When the Hillside Stranglers are caught police realize they still have another serial killer running rampant in Los Angeles; he tortures and toys with his model victims while keeping pieces of their jewelry as he snaps their last photo ever.

Momentos of Murder

A killer hijacks the highways of Sacramento as several women are found strangled with their clothing cut into precise but odd patterns; a survivor leads police to a sports car driving deviant posing as a good samaritan to poach potential victims.

Pattern of Murder

Dallas police discover three women murdered with their eyes surgically removed; police believe they have a deranged doctor on the loose until two rookie cops find themselves on the trail of a man with a talent for taxidermy and a hatred for women.

An Eye for Murder

In New Jersey four bodies are found dismembered, bagged, and thrown in roadside garbage cans; the "Last Call Killer" hunted his victims openly in piano bars but no one suspected he could be hiding in plain sight, working as a local nurse.

The Last Call Killer

In 1990, a serial killer terrorizes the University of Florida's campus, killing five students in under four days; the Gainesville Ripper leaves behind a crime scene where all the victims have been stabbed but the females have been posed like dolls.

Posed to Kill

Watch TV Networks, Shows and Movies | DIRECTV

The latest movies and must watch shows!

Watch It Welcome to Derry on the HBO Max app, included with an HBO Max subscription.

Data/messaging rates may apply for app download/usage. HBO Max subscription required.

Welcome to your ultimate entertainment destination. Watch new episodes of Jeremy Renner in the new season of Mayor of Kingstown and more all in one network.

Watch exclusive originals like the adventure drama Robin Hood and Hollywood hit movies.

MGM+ is a trademark of Metro-Goldwyn-Mayer Lion Corp. All copyrights, trademarks, and other intellectual property or proprietary rights are the property of their respective owners.

Watch visionary original series like Power Book IV: Force, Outlander: Blood of My Blood, BMF, The Couple Next Door and much more.

Watch Hollywood hits like Civil War and behind-the-scenes exclusives when you add CINEMAX to your current DIRECTV package.

Following serial killers on the trails of their obsession and taking a deep dive into the killers' depraved psyches to reveal their darkest secrets as investigators close in to end the killers' reign of terror.

S1 E3 | An Eye for Murder

E6 | An Appetite for Murder

E5 | Momentos of Murder

E4 | Pattern of Murder

E3 | An Eye for Murder

E2 | The Last Call Killer

E1 | Posed to Kill