Justin Shenkarow voices Harold Berman, a character from a television series that aired on what station?
Justin Shenkarow: Justin Moran Shenkarow (born October 17, 1980) is an American actor, voice actor, producer, writer and director best known for his roles of Matthew Brock in "Picket Fences", Simon Holmes in "Eerie, Indiana", and the voice of Harold Berman on "Hey Arnold! Hey Arnold!: Hey Arnold! Hey Arnold!:  is an American animated television series created by Craig Bartlett that aired on Nickelodeon from October 7, 1996 to June 8, 2004.
Nickelodeon