He has also been a prolific television Director, starting already in 1972 at the age of 26, directing The Most Crucial Game (starring Peter Falk, Robert Culp, Valerie Harper, Val Avery, Susan Howard, Dean Stockwell among others), an episode in the second Columbo season. In 1996, Kagan won an Primetime Emmy Award for Outstanding Directing for a Drama Series for the Chicago Hope episode "Leave of Absence". Other credits include the television movie Katherine: The Making of an American Revolutionary, which he also wrote, and Conspiracy: The Trial of the Chicago 8 for which he won the CableACE Award for Best Dramatic Special. Kagan also directed Roswell: The UFO Conspiracy, which garnered a Golden Globe Award nomination.