Getty Images Westworld is coming back once again, but it might not be in the way that fans of the HBO series want it. David Koepp planning to revisit the 1973 sci-fi film written and directed by Michael Crichton. Koepp previously adapted Crichton's novel Jurassic Park into the 1993 classics, along with two sequels. Deadline is reporting that Koepp wants to take a stab at the original Westworld, which is about "an adult fantasy park that allows monied guests with a hankering for the Old West to go up against a coterie of robots wielding six-guns.