The BEST seasons of An Unexpected Killer

Every season of An Unexpected Killer ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of An Unexpected Killer!

A look at homicide investigations that conclude with the killer's true identity coming as a shocking surprise.

Last Updated: 12/16/2024Network: OxygenStatus: Continuing
star
7.50
2 votes

#1 - Season 3

First Aired 3/5/2022

Season 1
star
6.80
5 votes

#2 - Season 1

First Aired 12/6/2019

Season 2
star
6.80
5 votes

#3 - Season 2

First Aired 1/16/2021