The Bunker family's doctor forces Archie to go on a diet. In the spirit of "one for all," Edith convinces the rest of the family to watch their calories. Even so, Archie is constitutionally incapable of sticking to his rigid diet -- until he receives unexpected moral support from octogenarian Justin Quigley (Burt Mustin). Incidentally, series star Carroll O'Connor requested that the producers refilm the opening theme-song sequence of All in the Family during the 1975-1976 season precisely because he'd put on considerable weight since the program debut in 1971. Written by Mel Tolkin and Larry Rhine, "Archie's Weighty Problem" was first broadcast on February 9, 1976. ~ Hal Erickson, Rovi