The Outpost.
I'm surprised how much I'm enjoying this. Its story line is coherent enough and quite compelling, with a few twists here and there. There's some naivety/silliness woven in, but somehow that doesn't fatally detract from the show. I'm not well versed in the medieval-fantasy-swords genre, but I'm tempted to call this a poor man's Game of Thrones.
In the past I've tried persevering with shows like Arrow, which started out 'okay-interesting' and then became utterly unwatchable tripe, despite its relatively high-budget Sky credentials (I assume the same is true of the Flash and Super Girl spin-offs, and wasn't there another one where they go through time or something?). From what I've seen, I'd certainly rate The Outpost more favourably than Arrow at its best in the earliest seasons.
I've just finished Season 1 (available on demand from SyFy) and it's currently only broadcasting its second season. It's obviously no Breaking Bad or pre-final season Game of Thrones, but I'm enjoying it quite nicely so far.