based on the teleplay by Leslie Valdes based on the teleplay by Duane Capizzi based on the episode written by Leslie Valdes based on a teleplay by Brian Clark based on a teleplay by Jason Root. based on the screenplay by Alvin Sargent based on the screenplay by Meghan McCarthy based on the screenplay by Darren Lemke based on the screenplay by Jeff Nathanson based on the screenplay by Paul Anderson.