The episode's title, "Pair o' Guys Lost," is a play on Milton's epic poem, "Paradise Lost," which is about the Biblical story of the fall of man in the Garden of Eden.
"Babes in Toyland" is a 1903 operetta later adapted into films in 1934 by Laurel and Hardy and 1960 by Disney.
Don Ho (1930-2007) was a traditional Hawaiian pop singer and entertainer best known for the song, "Tiny Bubbles."
Matt and Walter imitate singers Julio Iglesias and Willie Nelson while performing karaoke to their 1984 hit, "To All the Girls I've Loved Before."