How long do you give an unpleasant show before turning it off?

Much of my TV viewing this week has been chewed up watching through last week’s Last Samurai Standing (which I loved). But, there are a few things I managed to watch this week.

I dedicated last night to watching The Death of Bunny Munro, but found the show so unpleasant that I turned it off 20 minutes into the first episode. I am fine with shows starring…