Fargo - season one. Great season which has nothing to do with the film apart from the location and general vibe. The enigmatic hitman troupe is played out here and it works out well. Nice guy Lester Nygaard suffers a beat-down from an old high school bully and later happens to bump into hitman Lorne Malvo. Events soon spiral out of control and Lester 'breaks bad' a la Walter White. It's quite similar in some sense to Collateral (2004) another dark, cryptic hitman meets a nice guy taxi driver. The driver turns out to be a very different character to Lester Nygaard, a dark side is never unleashed.
Must watch Minder at some point. I caught some of the show when it was syndicated on one of these niche channels years ago but it was before my time anyway. It sounds a bit like Only Fools and Horses and just a bit like The Long Good Friday. Basically the London Underworld or just links to it in the late 70s and 80s.Two classic examples of rascal-comedy that I grew up with. They don't make this stuff anymore Minder & The Phil Silvers Show.