"An Intern's Guide to the Galaxy" is the fifth episode of the eleventh season of ER. It first aired on NBC on November 4, 2004. It was written by Lisa Zwerling and directed Arthur Albert. It has Greg Pratt assigning first-year interns Abby Lockhart, Ray Barnett, and Neela Rasgotra to discharge a large number of patients during their shifts in order to track their output.