KZUP-CA (Z19) is the local low-powered, Class-A affiliate of Retro Television Network for Baton Rouge, Louisiana. It transmits its analog signal on UHF channel 19. It is owned by White Knight Broadcasting, and is sister station to the area's NBC affiliate, WVLA.
While "KZUP-CA" is the station's official calls, the station uses "KZUP-TV" for promotional purposes.
KZUP is the official station of the Southern University athletic department.
During prime-time hours, it aired hit sitcoms, like The Fresh Prince of Bel-Air, The Jeffersons, Married With Children, Still Standing, and My Wife and Kids. During the evenings, the station airs Law & Order, Cheaters, and Blind Date.