The Tates' kitchen is also the kitchen from I Dream of Jeannie (1965) and the dishes are Franciscan Ivy, the same pattern used in the Ricardo household in I Love Lucy (1951).
This episode is played in a scene of Spanks Butt, No Spanks (2012), directed by Rebecca Asher, Elizabeth Montgomery's daughter.
This is the only episode where Serena has blonde hair, other than the appearances where she is imitating Samantha.
The title refers to the exclamation, "Hip, hip, hooray!"