Janet says that the name "Madeline" means "tower of strength." This is untrue; the name actually means "from Magdala." Obviously, that doesn't sound nearly as poetic.
I've Got You Under My Skin by Cole Porter (sung by Luke Perry)
Jackie's remark that Kelly "pulled Dylan out of the fire all through high school" seems inaccurate, as this was primarily the Walshes' job until they all started leaving the show.
Donna becomes the fourth character to discover a long-lost half-sibling, following Dylan, Kelly and Noah. She and Gina hold the unusual distinction of being both half-sisters and first cousins, which Felice pointed out in a humorous remark. ("What are you going to do, introduce her as your sister AND your cousin?")
"What's in a Name?" comes from the famous line in William Shakespeare's "Romeo and Juliet":
What's in a name? That which we call a rose
By any other name would smell as a sweet.
"What's in a name?" is a line from "Hakuna Matata" from "The Lion King."