Where to Watch
Region
Amazon Prime Video
Stream included
HD
Included
Amazon Video
Buy from
HD
$10.99
Plex Channel
Watch free
HD
Included
The Roku Channel
Stream with ads
HD
Included
Amazon Prime Video with Ads
Stream included
HD
Included
See all 14 options →
Prices last updated September 26, 2026. Pricing and availability may vary by region.
powered by JustWatch
Seasons
All seasons
About
21st Century Serial Killers forensically researches the lives of the killers who can't stop killing, revealing how the grim opportunities, provided by the 21st century, played a part in a number of murders.
First Aired
Nov 13, 2018
Last Aired
Dec 25, 2018
Seasons
1
Episodes
7
Network
Really
