Which British crime drama has gripped you the most from first episode to finale?

Jed Mercurio's interrogation-heavy thriller turned acronyms like OCG and CHIS into national vocabulary. The watercooler show that had millions theorising about H every Sunday night.

Sally Wainwright's portrait of Sergeant Catherine Cawood combined kitchen-sink realism with genuine menace. Tommy Lee Royce became one of British TV's most chilling antagonists.

David Tennant and Olivia Colman led a slow-burn investigation that captured grief and suspicion in equal measure. The Dorset cliffs became as much a character as the detectives.

Steven Knight's stylised gangster epic blended Brummie grit with rock soundtracks and razor-edged tailoring. Cillian Murphy's Tommy Shelby became an icon of modern British TV.

Benedict Cumberbatch and Martin Freeman reinvented Conan Doyle's detective with breakneck pacing and visual flair. The Reichenbach Fall remains one of television's great cliffhangers.