The title of this article is conjectural. Though the topic is found within The Simpsons universe, a proper name is not available.
The Brady Bunch couch gag is the third couch gag of Season 7.
Homer, Marge, Bart, Lisa, Maggie, Grampa (who’s sleeping), Santa’s Little Helper, and Snowball II are in a Brady Bunch-style nine-square grid, with the couch in the center square. Everyone (except Grampa) runs to the center square.