Jeff's white tank top gets dirtier as the episode progresses is a nod to Die Hard as the same happens to John McClane's (Bruce Willis) shirt through the movie.
Chang's "death" is a direct parody from "Predator" (1987)
The highest rated episode of Community along with Season 3 Episode 4, "Remedial Chaos Theory".
The first of many paintball-centric episodes, each shot in a much more cinematic, action-film format than the typical episode. Directed by Justin Lin, acclaimed director of high-octane action films such as Star Trek Beyond (2016) and several installments in the Fast & Furious franchise. He directed two other episodes prior to this one.
When Chang enters the study room to attack Britta and Jeff, a Chinese-language song plays. The lyrics are from a famous Chinese poem entitled "Yi Shui Ge" ("The Song of the Yi River") written around 227 B.C. The English translation is: "The wind soughs and sighs, alas / The Yi River is chilly / The hero leaves, alas / And will not return."