Jax's idea of using shaving cream on the land mine is based on a true event. During Viet Nam, Norman Schwarzkopf, the general who led Coalition Forces during the First Iraq War, marked the location of mines using shaving cream in order to rescue stranded soldiers. Schwarzkopf received a Silver Star for his creative thinking.
Sara's absence from this episode was written to give Caity Lotz extra time to film the Crisis on Earth-X crossover.
Nate likens his and Mick's situation initially to Predator (1987), and later to Apocalypse Now (1979). Nate introduces Mick earlier under the pseudonym Officer Schwarzenegger, referencing the former film's star, Arnold Schwarzenegger. Nate refers to Mick going "full Kurtz", referencing the antagonist of the latter film, Colonel Walter Kurtz. In the film, Kurtz returns to Vietnam in 1966 with the Green Berets (as Mick Rory does in this episode), using barbaric methods to defeat the enemy and send fear, murdering a number of innocent people.
Ông Troi Mói", the name of the cult led by Grodd, translates from Vietnamese as "New God".
The episode is a reference to the famous song of the same name by the rock band Guns N Roses, that was previously used in Superhero Fight Club 2.0 (2016); but mostly it refers to the Legends' visit to the jungles of Vietnam.