Notoriously, the first toilet flush in American prime time television was heard on this show.
An ongoing gag is Edith's incompetent singing. In actuality, Jean Stapleton was a professionally trained and accomplished singer who had performed in musical theatre and productions throughout her career.
Archie and Edith's easy-chairs are now on display at the Smithsonian.
Archie Bunker always wore his wedding ring on his middle finger.
During the debut of the show, Rob Reiner hair loss progressed so quickly that he began using a hairpiece halfway through the first season. In an interview during the 1990s, Betty Garrett reminisced how during the show's production, O'Connor, Struthers, and Stapleton were unable to go out to restaurants during lunch breaks due to being recognized and bothered by fans - but she and Reiner could go anywhere they wanted together and eat in peace, as Rob would remove his toupee, and she wasn't as recognized as the main cast.