Led by David Tennant, an iconic British crime drama introduced one of the greatest detective duos ever seen on screen. There's something about British detective dramas that gets to you. The characters feel real and relatable, the stories are intricate, the setting plays a pivotal role in creating an atmosphere, and the emotional fallout is often cathartic. Though the Brits produce dozens of great crime and detective dramas each year, only a few truly break through to become genuine, lasting, global sensations.