Later in the 1970s more drama shows like Kojak and Starsky and Hutch were added.
In 1979, KTLA acquired much of the programming inventory of struggling independent competitor KBSC-TV (channel 52, now Telemundo owned-and-operated station KVEA-TV) including The Little Rascals, Three Stooges, The Munsters, Addams Family, Gilligan's Island, Leave It To Beaver, among others.
Klaus Landsberg, already an accomplished television pioneer at the age of 26, was the original station manager and engineer.
On January 22, 1947, the station was licensed for commercial broadcasting as KTLA on channel 5, becoming the first commercial television station in Los Angeles, the first to broadcast west of the Mississippi River, and the eighth television station in the United States.
Children's programs, with the exception of weekend morning Popeye cartoons (which originally came from former parent Paramount,), were also phased out.
KTLA maintains studio facilities located at the Sunset Bronson Studios on Sunset Boulevard in Hollywood, and its transmitter is located atop Mount Wilson.
These shows ran weekend mornings and weekend early afternoons.
In 1979, KTLA acquired Happy Days, in 1981 Laverne and Shirley, Little House On The Prairie, in 1982 Taxi, and CHi Ps, among other shows.
The station was licensed by the Federal Communications Commission in 1939 as experimental station W6XYZ, broadcasting on VHF channel 4; it did not sign on the air until September 1942.
The station was originally owned by Paramount Pictures subsidiary Television Productions, Inc., and was based at the Paramount Studios lot.