 Some notable local programs during channel 4's early years included the children's programs "Hotel Balderdash" (which debuted on September 11, 1972) and "Fireman Frank", and horror film showcase "Nightmare Theater", the latter two programs were both hosted by Ron Ross.At this time, the station was using an "Open 4" logo that was later implemented by WAPA-TV in San Juan, Puerto Rico (that station used several variations of the logo from the 1970s until implementing a new logo in 1987).The station swapped affiliations with KUTV in 1960 and became an ABC affiliate.