Kinescope is a device to record 16mm film from a television screen. ABC-TV used this a back-up copy for the smaller-market stations who couldn't afford videotape recorders, or broadcast the show rather that 4:00pm ET/3:00pm CT (June 1966)-(April 1967), 3:30pm ET/2:30pm CT (April 1967)-(July 1968), and back to 4:00pm ET/3:00 CT (July 1968)-(April 1971) because they were broadcasting syndicated or local programming. The kinescopes were recorded in 16mm B&W film, and continued to used it until 1970. Most episodes of Dark Shadows were exist in kinescope format, because the original videotape masters were lost over the years. The only episode that's lost and don't exist either on film or videotape was episode #1219.
The episodes that now existed only in kinescope are: