TV update - all opinions happily discussed!

I did manage to get my picfor1000 submission done (it's Mag7, in case anyone is interested and isn't on relevant communities) back in February but other than that I've been watching a lot of tv...

So, what am I currently watching (fannish or otherwise)?:

Person of Interest

Grimm

Vikings

Big Bang Theory

Go On

Happy Endings

Elementary

The Following

Once Upon a Time (don't judge me!)

In terms of renewals and such, Elementary and Vikings just got picked up for new seasons, while Grimm and Person of Interest are heading towards season 3. In comedy terms, sadly it's looking like Happy Endings is going to get cancelled (boo!) while Big Bang Theory already got renewed and hopefully the same will happen for Go On.

I already loved Person of Interest and my love for the show is just increasing over time. The writers have done a really nice job of introducing new characters (some helpful, some antagonistic), but aren't afraid to kill people off either. ( Spoilers )

I have to say I was unexpectedly hooked by Vikings, which is also exceptional eye candy and Elementary has also been a pleasant surprise - I decided to give it a shot and ( Spoilers )

Things I will be watching at some point but haven't got around to yet or need to catch up with:

The Americans

Banshee

Hell on Wheels seasons 1&2

Castle seasons 4&5

Lost Girl season 3

Haven season 3

Things I am waiting to come back from hiatus:

Warehouse 13

Sherlock

White Collar

Things I have stopped watching:

Doctor Who

Suits

( Doctor Who spoilers )

In terms of Suits, I refer you to my previous post for why I won't be watching season 3.