Everything you can expect to see in the upcoming 90-minute 'Westworld' finale

HBO

Warning: Spoilers ahead for the "Westworld" finale.

The first season of "Westworld" comes to a close on Sunday, and fans have high hopes for the 90-minute finale. Between last week's reveals about Bernard, Arnold, and the multiple time frames, the episode has a lot to live up to. HBO released a short teaser for the finale, and we've gone through frame-by-frame to suss out any clues that might tell us what's in store. 

Scroll down for a look at what we can expect from the epic finale.