VIDEO: Sneak Peek - 'The Stray' Episode of WESTWORLD on HBO

On the next episode of WESTWORLD on HBO titled "The Stray" - Elsie (Shannon Woodward) and Stubbs (Luke Hemsworth) head into THE HILLS in pursuit of a missing host. Teddy (James Marsden) gets a new backstory, which sets him off in pursuit of a new villain, leaving Dolores (Evan Rachel Wood) alone in Sweetwater.

Bernard (Jeffrey Wright) investigates the origins of madness and hallucinations within the hosts. William (Jimmi Simpson) finds an attraction he'd like to pursue and drags Logan (Ben Barnes) along for the ride. The one-hour drama series airs Sundays at 9:00/8:00c, exclusively on HBO. Check out the sneak peek below!

WESTWORLD is a dark odyssey about the dawn of artificial consciousness and the evolution of sin. Set at the intersection of the near future and the reimagined past, it explores a world in which every human appetite, no matter how noble or depraved, can be indulged. Created for television by Jonathan Nolan and Lisa Joy, both of whom are executive producing and writing, with Nolan also directing, the series was inspired by the 1973 motion picture "Westworld," written and directed by Michael Crichton.

The cast includes Anthony Hopkins, Ed Harris, Evan Rachel Wood, James Marsden, Thandie Newton, Jeffrey Wright, Tessa Thompson, Sidse Babett Knudsen, Jimmi Simpson, Rodrigo Santoro, Shannon Woodward, Ingrid Bols-Berdal, Ben Barnes, Simon Quarterman, Angela Sarafyan, Luke Hemsworth and Clifton Collins, Jr.