The line "a stable on the label and a stork on the cork" seems to be a play on the Danny Kay movie The Court Jester where "the flagon with the dragon holds the brew that is true".
In this episode it is revealed that Lester is from Canada.
Agent Rosenbaum, the agent in the teaser of this episode, is a sly reference to former Chuck writer and producer Scott Rosenbaum.
Two buck Chuck is an inexpensive wine available at Trader Joe's stores.
Casey laments going undercover as Chuck's manservant. His comment about being a Colonel in the Marine Corps is very similar to the dialogue spoken by Victor McLaglen in the 1935 film "Professional Soldier"