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.
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 [S2E21] Paradigms of Human Memory
A trip to a Western-style ghost town where the group is shot at by a racist prospector. The episode parodies "shipping" videos with a montage
The episode is structured around the study group assembling their final anthropology project—a diorama of them making a previous diorama. When discovers a stash of items stolen by Annie's Boobs (Troy's pet monkey), it triggers a flood of memories. it triggers a flood of memories.