If you aren’t watching HBO’s new series “Westworld,” it’s about time you start. Episode 3 of the new sci-fi/western show gave viewers new insights into the park’s origins, as well as information about what the hosts can and can’t do – and what they’re slowly learning about themselves. The Man in Black (Ed Harris) also kept reminding audiences that there’s more to this park than just a thrilling vacation, but what could it be? HBO released new images of episode 4, titled “Dissonance Theory,” to keep fans guessing.
READ MORE: ‘Westworld’ Episode 3 Review: ‘The Stray’ Doesn’t Skimp on the Bloody Psychology
We last saw Dolores (Evan Rachel Wood) fainting into the arms of William (Jimmi Simpson) and now they, along with Logan (Ben Barnes), will continue William’s bounty hunt in the badlands.

Evan Rachel Wood as Dolores and Jimmi Simpson as William.
John P. Johnson/HBO
READ MORE: ‘Westworld’ Star James Marsden On the ‘Purity’ and Importance of Series’ Central Romance
The Man in Black, with Lawrence (Clifton Collins, Jr.) in tow, finds a critical clue in his search to unlock the maze. Maeve (Thandie Newton) continues to be troubled by a recurring vision and Dr. Ford (Anthony Hopkins) and Theresa (Sidse Babett Knudsen) discuss the park’s future. The fourth episode is directed by Vincenzo Natali and written by Ed Brubaker and Jonathan Nolan.
Episode 4 of “Westworld” airs Sunday, October 23 at 9 p.m. on HBO. Check out the trailer and the rest of the new images below.

Rodrigo Santoro as Hector Escaton.
John P. Johnson/HBO

Chris Browning as Holden, Ben Barnes as Logan and Jimmi Simpson as William.
John P. Johnson/HBO

Angela Sarafyan as Clementine and Thandie Newton as Maeve.
John P. Johnson/HBO
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