A close look at why Bernard is malfunctioning in the 'Westworld' season 2 premiere

Season two of HBO's "Westworld" premiered Sunday night, and people are already theorizing.

Much of the episode is told through Bernard's perspective, so it's unreliable given that he's a host. And not only is he a host: he's a glitching host.

Throughout the episode, we see small signs that something is wrong with Bernard. His hands shake uncontrollably, his memory is dodgy (even more so than usual), and at one point goo comes out of his ear.

So what exactly is happening to him, and why? And how can he stop it?

Here, we analyze everything about Bernard that could explain what's going on, and some possible solutions: