KWKB (channel 20) is a religious television station licensed to Iowa City, Iowa, United States, serving the Eastern Iowa and Quad Cities television markets as an owned-and-operated station of Tri-State Christian Television (TCT). The station's transmitter is located on Baker Avenue in West Branch.
History
KWKB signed on the air August 30, 1999, as an affiliate of The WB. It carried the full WB and Kids' WB lineups.
From September 5, 2006, to September 16, 2011, KWKB was affiliated with both The CW as a primary network and MyNetworkTV as a secondary network. When KNVA in Austin, Texas, became a sole CW affiliate in October 2009 after carrying MyNetworkTV as a secondary affiliation, KWKB became the only station in the country to have carried the full CW and MyNetworkTV lineups including The CW's Saturday morning children's block Toonzai (although CW affiliates KCWI in Des Moines, WLMT