Oops! You need to enable JavaScript in your browser to start watching. Guidance: With strong language and scenes some viewers may find distressing. Disable parental controls Enable parental controls ITV Unforgotten Series 3 - Episode 1 When human remains are found buried in the central reservation of the M1, Cassie and Sunny begin the task of identifying them. Mon Monday 19 Oct 10.10pm 60 mins Share this episode: Copied to clipboard Share on Facebook Share on Twitter Copy link to share