: S2E22 focuses on Shirley giving birth in the classroom during their anthropology final. A major "secret" resolved here is the paternity of the child ; it is revealed to be Andre’s, not Ben Chang’s. The Infamous "Jeff’s Secret" (Season 4)
: In S2E21, Abed reveals to the study group that Jeff and Britta have been secretly hooking up for the entire year. This secret "sinks" their romantic tension because, once it becomes public knowledge, it loses its thrill and the group realizes it wasn't fun anymore. [S2E22] Jeff’s Secret
If the query refers to a specific "secret" confession often discussed in essays, it is likely from (S4E09). In this episode, the group uses puppets to admit to things they are ashamed of: Applied Anthropology And Culinary Arts | Den of Geek : S2E22 focuses on Shirley giving birth in