It's revealed in the introduction that Herbert the Pervert's first name is John.
In the opening, when the featured artists are listed, the Black Eyed Peas are not listed, though their song "I Gotta Feeling" is played during the credits.
When Meg and Keith are opening their fortune cookies, Meg's fortune reads, "You will meet the love of your life." Keith's reads, "Dude, run."
Despite the title the episode actually aired four days before Valentines Day.