KFXK-TV, virtual channel 51 (UHF digital channel 31), is a Fox-affiliated television station serving Tyler, Texas, United States that is licensed to Longview. The station is owned by White Knight Broadcasting, and is a sister station to MyNetworkTV affiliate KTPN-LD (channel 48); the Nexstar Broadcasting Group, which owns NBC affiliate KETK-TV (channel 56), operates KFXK under a local marketing agreement.