WBBM is a full service television station in Chicago, Illinois, broadcasting on local digital UHF channel 12 and on virtual channel 2. Founded in 1940 as W9XBK, it is owned by CBS Corporation. WBBM 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 and CBS 2 News. After primetime, it airs its own local newscasts, followed by CBS's late-night programming. WBBM also airs local sports broadcasts.