 Other kinescopes were put through a silver reclaiming process, because of the microscopic amounts of silver that made up the emulsion of black-and-white film during this time.It is estimated that only about 350 complete DuMont television shows survive today, the most famous being virtually all of Jackie Gleason's "Honeymooners" comedy sketches.Most of the existing episodes are believed to have come from the personal archives of DuMont's hosts, such as Gleason and Dennis James.