"Paradigms of Human Memory" is the twenty-first episode of the second season of the American comedy series . It is widely celebrated as a groundbreaking subversion of the "clip show" trope, where instead of reusing old footage to save money, the episode consists almost entirely of newly filmed "flashbacks" to adventures the audience has never seen. The Unseen Adventures
The episode parodies "shipping" videos with a montage of "stolen glances" between Jeff and Annie set to the song "Gravity" by Sara Bareilles—a direct reference to actual fan-made videos. [S2E21] Paradigms of Human Memory
A montage of Dean Pelton entering the study room in increasingly elaborate outfits, such as a Caesar salad or a "Gone with the Windows" ensemble. Narrative Revelations & Meta-Commentary "Paradigms of Human Memory" is the twenty-first episode