Oops! You need to enable JavaScript in your browser to start watching. Guidance: Contains adult scenes and the use of moderate language throughout. Disable parental controls Enable parental controls Cracker One Day a Lemming Will Fly (Part 2) Series 1 - Episode 7- Detective drama. The manhunt for a young boy's killer has violent repercussions for psychologist Fitz and the Manchester police. 60 mins Share this episode: Copied to clipboard Share on Facebook Share on Twitter Copy link to share