In the episode Witch-ay Woman, Johnny looks down his shirt and says ""Oh, no. I'm a chick!".
This is a reference to the 1991 movie Switch, directed by Blake Edwards, and starring Ellen Barkin.
In the episode Win an El Toro Guapo, the bull's song is a parody of the song Bella notte, used in the 1955 Walt Disney animated movie The Lady and the Tramp.