based on the film written by David Berenbaum based on the episode written by Mark Seidenberg based on the script written by Adam Peltzman based on the episode written by Mark Drop based on the episode written by Lorne Cameron. based on the episode written by Lorne Cameron based on the episode written by Michael Maurer. based on the screenplay written by Patricia Resnick based on the story written by John Hughes based on a story written by Kevin Mulvany