The beer that Kreese brings to Silver is an actual Vietnamese beer, 333 ("Ba ba ba"). Before 1975 it was called 33, or "Ba Muoi Ba", as Terry Silver calls it. It was very popular among American soldiers during the war.
Post-credits memorial that reads "Albert Olmstead 1982-2021". Olmstead worked behind the scenes with cameras and electricity on the show.
Johnny's love for metal goes back to the origins, past the 80s glam rock, with a t-shirt for the 1970s' heavy metal creators Black Sabbath's Vol. 4 album, befitting the 4th season.
Kreese and Silver were respectively Captain and Lieutenant in the armed forces.
This episode sees Michael Burgess and Ralph Macchio reunite for the first time since My Cousin Vinny (1992).