'Westworld' is a critically acclaimed HBO series that debuted in 2016, created by Jonathan Nolan and Lisa Joy. Set in a futuristic amusement park, it features lifelike androids known as 'hosts' who cater to guests' every desire. The narrative delves into themes of consciousness, free will, and the ethical implications of artificial intelligence. The ensemble cast includes Evan Rachel Wood, Thandiwe Newton, and Ed Harris. The show has been praised for its complex storytelling and thought-provoking themes.