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Unforgotten 2015

★ 7.5/10 · 191 votes TV-MA DramaCrimeMystery 6 seasons · 36 eps Returning Series
Where to watch: Amazon Prime VideoPBSPBS Masterpiece Amazon ChannelAmazon Prime Video with AdsThirteenWETA+Amazon VideoApple TV StoreGoogle Play MoviesFandango At HomeKQEDDisney PlusITVX PremiumSky StoreITVXSTV Player
Quick answer

What is Unforgotten?

Unforgotten is a British crime drama television series that first aired on ITV on October 8, 2015. Created and written by Chris Lang and directed by Andy Wilson, the award-winning program follows veteran London police detectives who investigate historic cold cases.

Type
TV series
Year
2015
Status
Returning Series
Episodes
36
Runtime
46 minutes
First aired
Oct 8, 2015
Last aired
Feb 24, 2025
Original language
EN
Origin
GB
Networks
ITV1
Genres
Drama, Crime, Mystery
Updated
Availability by region

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Planning tool

How long to binge?

Estimate the schedule using 36 episodes and an average 46-minute runtime.

Trailer

Overview

Unforgotten is a British crime drama television series that first aired on ITV on October 8, 2015. Created and written by Chris Lang and directed by Andy Wilson, the award-winning program follows veteran London police detectives who investigate historic cold cases. The central characters, Cassie Stuart and Sunny Khan, work to uncover the truth behind tangled, complicated murders, missing persons, and long-hidden secrets that have remained buried for years. The series production involves a recurring cast that includes Sanjeev Bhaskar, Jordan Long, Carolina Main, and Hiten Patel. As the detectives navigate these complex investigations, they unravel the past to provide closure for those involved in these historical crimes. The show is broadcast in the United States through PBS on the Masterpiece platform. Production on the seventh season of the series officially began on January 26, as announced by ITV and PBS. The program continues to focus on the meticulous process of solving crimes that have long been forgotten by the public and the authorities.

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Should you watch it?

“Detectives solve cold cases uncovering decades-old secrets.”

Reasons to watch
  • Complex character development
  • Realistic police procedural details
  • Emotional depth in victim family stories
Keep in mind
  • Pacing may feel slow to some viewers
  • Focus on process over action

You enjoy thoughtful crime dramas with emotional resonance.

Suitable for mature audiences due to crime investigation themes.

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Cast

Episode guide

Season 1 · 6 episodes Open the complete Season 1 guide →
Season 2 · 6 episodes
Season 3 · 6 episodes
Season 4 · 6 episodes
Season 5 · 6 episodes

Frequently asked questions

Is this show based on real cases?

No, cases are fictional but grounded in realistic police work.

How many seasons are there?

Multiple seasons following different cold cases.

Do episodes stand alone or connect?

Episodes form standalone story arcs within seasons.

Is it violent or graphic?

Crime scenes are handled with restraint and professionalism.

Where is it set?

Primarily London, following local police investigations.