| # | Air Date | Episode Name | Watched? |
|---|---|---|---|
| E1 | Sep 14, 2020 | ||
| E2 | Sep 15, 2020 | ||
| E3 | Sep 16, 2020 |
Des is a standalone limited series that concluded its 3-episode run in September 2020. Produced by New Pictures for ITV, the series was meticulously crafted as a focused psychological examination of Dennis Nilsen rather than a traditional procedural. By centering the narrative on the period following his arrest, the production team prioritized historical accuracy and the perspectives of the victims and the biographer Brian Masters. This narrow temporal scope ensured that the story reached its natural conclusion once the legal process and the primary interrogation phases were depicted.
The production was designed from its inception as a closed-ended project to honor the gravity of the real-life events it portrayed. David Tennant's performance was the centerpiece of a high-budget effort that sought to provide a definitive account of the case without the need for expansion or subsequent seasons. Because the series was based on specific non-fiction source material detailing a finite criminal investigation, there was no creative intention to move beyond the three-part structure. The show served its purpose as a complete historical record, leaving no narrative threads open for future development.