"ER": 15 Most Dramatic Moments

After Carla, the mother of Dr. Peter Benton's son, Reese, died in a tragic car accident, a vicious custody battle for the child erupted between Benton and Carla's recently widowed husband, Roger. As Reese's devoted dad, Peter undoubtedly had the upper hand… until the eighth episode of the eighth season when the results of a disturbing DNA test revealed an ugly and unfathomable truth: Peter wasn't Reese's biological father! The shocking news sent ... more 

After Carla, the mother of Dr. Peter Benton's son, Reese, died in a tragic car accident, a vicious custody battle for the child erupted between Benton and Carla's recently widowed husband, Roger. As Reese's devoted dad, Peter undoubtedly had the upper hand… until the eighth episode of the eighth season when the results of a disturbing DNA test revealed an ugly and unfathomable truth: Peter wasn't Reese's biological father! The shocking news sent Peter into a tailspin… and kept viewers interested in the then past-its-prime program for the remainder of the season. ("Partly Cloudy, Chance of Rain," 11/15/2001) less