Yeah, don't worry too much about spoilers. Anyone reading should be aware the discussion will include all the episodes that have aired. It's on Sunday nights here in the US, and is it Tuesday in the UK? I think it's Tuesday.
There are theories that maybe Bernard is a robot, what do you think of that one? I guess it is possible, but I don't know why he would be. He seems like someone who is very interested the possibility of creating sentient AI! His secret interviews with Delores, which she then hides from Ford, are pretty interesting.