Reasoner became a host for CBS's 60 Minutes when it launched in 1968.
Channel 9 changed its call letters to KMGM-TV on September 1, 1956; at the time, the station was in negotiations with Metro-Goldwyn-Mayer to acquire the Twin Cities television rights to the company's films, along with selling a 25 percent stake in KMGM-TV to the studio.
The agreements to lease MGM's pre-1949 films and sell 25 percent of the station to Loew's were both completed that November; KMGM was the third station, after future sister station KTTV in Los Angeles and KTVR in Denver, to enter into such an arrangement.
National Telefilm Associates, which later purchased WNTA-TV in the New York City area, purchased the 75 percent of United Television not owned by MGM for $650,000 in November 1957, joining it to the NTA Film Network until it ended in 1961.
Most of the on-air and off-air staffers resigned, not wanting to work for a down-scaled independent operation.