WDEF is a full service television station in Chattanooga, broadcasting on local digital VHF) channel 12. Founded in 1945, it is owned by Morris Multimedia, Inc. WDEF is affiliated with CBS, airing CBS's primetime shows in the evening. In the morning, the station airs CBS's morning news and information program,
with spots for local news and weather; in the afternoon, it airs CBS's soap operas; in the early evening, it shows CBS's national news broadcast. After primetime, it airs its own local newscasts, followed by CBS's late-night programming. WDEF also airs local sports broadcasts.