After Brian threw a snowball at Stewie, Stewie says: “Made my brown eye blue with that one,” referencing the Crystal Gayle song “Don't It Make My Brown Eyes Blue” and the oft slang reference to the anus as a “brown eye” and flesh turning blue in the cold. Stewie then attacks Brian with a snowball cannon, exclaiming, “Now is the winter of your discontent,” paraphrasing a line from Richard III by William Shakespeare.
In a fantasy sequence, Stewie sings Elton John’s “Rocket Man”, imitating William Shatner’s infamous performance of the song at a 1978 science fiction film awards ceremony.
On the NGA’s shooting range, an Imperial Stormtrooper from the Star Wars film series shoots a cutout of Luke Skywalker and misses. Also on the shooting range, a blind man is seen shooting and “hitting the broad side of a barn,” as the saying goes.
The NGA’s cartoon featuring “Petey the Pistol” is a parody of the NRA’s cartoons featuring Eddie Eagle.
The NGA film ends with the lesson, “Guns don’t kill people; dangerous minorities do.” This is a parody of National Rifle Association’s slogan “Guns don’t kill people; people kill people.”
While hunting, Peter takes the name Rooster Cogburn, the main character of the 1969 western True Grit.
Lois references the skater Nancy Kerrigan when she was talking about "the one that got what she had coming".
Chris mentions a special called Where Bears Attack, something that sounds like the FOX special When Animals Attack.