Bosch. 6 season detective series with more realism than most. Set in Hollywood, L.A. Good for crime addicts.
Homeland. Spy series which frequently crosses over into unrealistic. But good plot twists. Centred around Carrie - CIA operative with bipolar disorder - and her Machiavellian boss(es). 8 seasons!
True Detective Series 1. Serial killer investigation. Good 1st series.
Masters of Sex. Very loose biographical sketches of Masters and Johnson, the sex psychologists who revolutionized the study and understanding of sex in 1950s USA. Series 1 is excellent.
Justified. 6 series crime/detective show centered on cowboy like US Marshall in Kentucky mining town: Harlan.
Sarah Conner Chronicles. 2 series featuring John and Sarah Conner on the run from terminator(s). Lena Headey (before her Cersei role in GoT) is Sarah. Summer Glau plays 'Cameron', the deadly, sexy, "good" terminator out to protect John Conner.
Fringe. 5 series Sci-Fi, alternative universe thriller/mystery/crime detection/sci-fi/weirdy. It has elements of all.
The Shield. Good one previously mentioned early on. Bent LA cops.