This episode reveals that the name of the Evil Queen's father is Henry, after whom she would name her son. However, in an early concept art sketch by show production designer Michael Joy, Prince Henry's gravestone marks his name as "Harry," not "Henry."
In the past, the bad girls (the queen and Maleficent) wear low-cut outfits while in the present the good girl (Emma) does so.
Regina begins to suspect Mr. Gold remembers his past as he uses the literal Magic word "please" to silence her.