Watch Mark of a Serial Killer Online | Peacock

Documentary3 Seasons
TV14
Say Hello to Peacock! The wildly entertaining new streaming service for watching Mark of a Serial Killer. Watch today!

Watch Full Episodes of Mark of a Serial Killer

Watch Mark of a Serial Killer Season 3

Taking a deep dive into serial killers' depraved psyches to reveal their darkest secrets.
  • The I-40 Killer
    Episode 143 mins
    A killer is murdering and mutilating young women along the Route 40 corridor in Delaware.
  • The I-95 Killer
    Episode 243 mins
    Police seek help finding a dangerous drifter after multiple men are brutally murdered.
  • The Charmer
    Episode 343 mins
    After women are murdered, police suspect the killer is able to charm his victims into submission.
  • The Englewood Killer
    Episode 443 mins
    Female murder victims are discovered in abandoned buildings barefoot.
  • Classified to Kill
    Episode 543 mins
    Detectives believe that a serial killer is using classified ads to lure and murder his victims.
  • The Interstate Killer
    Episode 643 mins
    A killer crisscrossing the Midwest and leaving a string of victims suddenly changes his mark.
  • The Grim Sleeper
    Episode 743 mins
    A cold-blooded killer conceals his victims' bodies with trash in the back alleyways of Los Angeles.
  • The Tourniquet Killer
    Episode 843 mins
    A killer taunts the media and authorities as he uses homemade ligatures to murder his victims.
  • Deaths in the Desert
    Episode 943 mins
    El Paso investigators race to track down a killer who buries his victims in shallow desert graves.
  • Summer of Fear
    Episode 1085 mins
    Two serial killers compete for the media's attention and the bodies pile up.
  • The Monster
    Episode 1143 mins
    Louisiana investigators hunt for a serial murderer who carves up the bodies of his victims.
  • The Bayou Strangler
    Episode 1243 mins
    A task force is formed when multiple bodies are dumped around Louisiana's bayou area.
  • The Skull Crusher
    Episode 1343 mins
    A killer in Hartford, Conn. is known for leaving a devastating mark that leaves his victims nearly unrecognizable.
  • The DC Sniper
    Episode 1443 mins
    A serial sniper terrorizes the entire DC metro area by discreetly targeting random victims.

Related Clips

Frequently Asked Questions

Download the Peacock app and start streaming full episodes of Mark of a Serial Killer. View the full list of supported devices.

You can watch Mark of a Serial Killer on Peacock. Just sign up for Peacock Premium and stream every episode.

Peacock currently has 3 seasons of Mark of a Serial Killer available for streaming.

Stream new movies, hit shows, exclusive Originals, live sports, WWE, news, and more.

PEACOCK ORIGINALS - Love Island
PEACOCK ORIGINALS
⬤⬤⬤⬤⬤⬤
Love Island
NEW MOVIES - They/Them
NEW MOVIES
⬤⬤⬤⬤⬤⬤
They/Them
BRAVO OBSESSIONS - The Real Housewives Franchise
BRAVO OBSESSIONS
⬤⬤⬤⬤⬤⬤
The Real Housewives Franchise
LIVE SPORTS - Premier League
LIVE SPORTS
⬤⬤⬤⬤⬤⬤
Premier League
Start watching Mark of a Serial Killer
Watch all episodes with Peacock Premium