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Did Jackie Gleason work for a network?
Jackie Gleason did two Jackie Gleason Show specials for CBS after giving up his regular show in the 1970s
What specials did Jackie Gleason do for CBS after giving up his regular show in the 1970s?
Jackie Gleason's specials included Honeymooners segments and a Reginald Van Gleason III sketch in which the gregarious millionaire was portrayed as an alcoholic

Question: What other special did he do?
Self-contained rewrite: What other special did Jackie Gleason do besides Honeymooners segments and a Reginald Van Gleason III sketch?