The names on the valentine cards, are the same names as in the song "Mambo No. 5". Angela, Pamela, Sandra, and Rita.
Terry's shirt in this episode is "Hawaiian Shirt". On Valentine's Day, his shirt was "Special Episode Special Boy". In the flashbacks to the restaurant, Terry's shirt was yellow in the first flashback and teal in the second flashback.
Terry's speech at the church near the end of the episode is a reference to the speech given by the president at the end of the movie, Independence Day.