Once Upon a Time, Smallville, Orphan Black.
Friends, Modern Family, Sherlock, Fawlty Tower and the list goes on and on,,,
Shameless (us) & Doctor Who. 
The Last Ship, Blindspot, The Vampire Diaries, Teen Wolf, Prison Break and Sherlock
13 reasons why & breaking bad 
Currently Riverdale
for the moment:

the walking dead
humans
into the badlands
avatar: the last airbender (yes, I still rewatch this)
stranger things
doctor who
orphan black
colony
currently the flash and the get down
House MD, Jessica Jones
GOT, Modern Family, Suits
Bones, Monk, Türkisch für Anfänger (German), Profiling Paris (French), Lethal Weapon, ...
the list changes with time but currently
elementary
All times faves: The walking dead, Buffy, Justified, Parks an rec, Community and Hannibal
Other great shows: Angel, Friday night lights, Brooklyn nine-nine, Better off ted, Fringe,
House, Limitless, Daredevil, Jessica Jones, Modern family, Nikita,POI, Prison break (the first season),
Sense8, Psych, Shameless, GOT, Stranger things, Suits, Supernatural, The good wife, Veronica Mars, Weeds.