Tom's adventure

The Stray is the third episode of Westworld, and the third episode of the first season. The episode was co-written by Lisa Joy & Daniel T. Thomsen, and directed by Neil Marshall.

Synopsis
Elsie Hughes and Ashley Stubbs head into the hills in pursuit of a missing host. Teddy Flood gets a new backstory, which sets him off in pursuit of a new villain, leaving Dolores Abernathy alone in Sweetwater. Bernard Lowe investigates the origins of madness and hallucinations within the hosts. William finds an attraction he'd like to pursue and drags Logan along for the ride.