

Drama•
Crime•
Mystery
The Best Seasons of Unforgotten
Every season of Unforgotten ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Unforgotten!

Drama•
Crime•
Mystery
The Best Seasons of Unforgotten
Every season of Unforgotten ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Unforgotten!
London police detectives Cassie Stuart and Sunny Khan investigate historic cold cases involving missing persons, murder and long-hidden secrets.
#1
Season 3
6 Episodes
First Aired: Jul 2018
8.3/ 10
Average Rating#2
Season 4
6 Episodes
First Aired: Feb 2021
8.3/ 10
Average Rating#3
Season 2
6 Episodes
First Aired: Jan 2017
8.3/ 10
Average Rating#4
Season 1
6 Episodes
First Aired: Oct 2015
8.0/ 10
Average Rating#5
Season 5
6 Episodes
First Aired: Feb 2023
7.4/ 10
Average Rating#6
Season 6
6 Episodes
First Aired: Feb 2025
7.3/ 10
Average Rating