Watch Killer Siblings Online | Peacock
Killer Siblings

Killer Siblings

Say Hello to Peacock! The wildly entertaining new streaming service for watching Killer Siblings. Watch today!
Michael Dumas

Watch Full Episodes of Killer Siblings

Watch Killer Siblings Season 1

The stories of siblings who worked together to commit some of the most heinous and sophisticated homicides, told through exclusive interviews.
  • Gustafsons

    Episode 1 - 43 mins
    After their brother is convicted of murder, siblings target the star witness in his trial.
  • Stovalls

    Episode 2 - 43 mins
    Twin sisters are arrested for shooting a neighbor's dog, then escape custody and go on the run.
  • Williams

    Episode 3 - 43 mins
    Matthew and Tyler believe it's their duty to cleanse the world of those living in sin.
  • Bevers

    Episode 4 - 43 mins
    With an arsenal of weapons, the quest for notoriety as serial killers begins at home.
  • Carrs

    Episode 5 - 43 mins
    In Wichita, the Carr brothers go on a murder spree the likes of which Kansas had never seen.
  • Rosas

    Episode 6 - 43 mins
    After a man is found brutally murdered inside his own bar, a murder mystery unfolds over years.
  • Lewis and Machuca

    Episode 7 - 43 mins
    In the summer of 1991, a pair of half-siblings create panic across Southern California.
  • Brileys

    Episode 8 - 43 mins
    A trio of brothers commit a series of increasingly violent crimes across the city of Richmond.
  • Bondurants

    Episode 9 - 43 mins
    A pair of identical twins commit a series of brutal attacks in a small Tennessee town.
  • Vues

    Episode 10 - 43 mins
    A murder seems like an act of vengeance, but a love triangle is exposed.

Frequently Asked Questions

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

You can watch Killer Siblings on Peacock. Just sign up and stream every episode.

Peacock currently has 3 seasons of Killer Siblings available for streaming.