WAS IT AN ACCIDENT OR MURDER? - Convinced the supposed accidental death of one of their friends was actually murder, one of the gang becomes obsessed with discovering the truth, infuriating Max (Jason Behr) by the accusation that the aliens were responsible. Shiri Appleby, Katherine Heigl, Majandra Delfino, Brendan Fehr, Colin Hanks, Nick Wechsler, Emilie de Ravin and William Sadler also star. Patrick Norris directed the episode written by Gretchen Berg & Aaron Harberts