The identifier typically refers to the 704th episode of a long-running series, most commonly associated with daily television formats like soap operas, talk shows, or game shows.
704 Hauser * S1.E2. * Here's Why Ernie Should Never Be Left Home Alone. "The Rosie O'Donnell Show" Episode #1.104 (TV ... - IMDb [S1E704] Episode #1.704
In some contexts, "704" may specifically refer to the short-lived sitcom , a spin-off of All in the Family , though that series only ran for six episodes in its first season. The identifier typically refers to the 704th episode