A body-double was not utilized for Rebecca's elaborate dance during "Let's Have Intercourse," Rachel Bloom performed the entire dance herself.
The stage direction for the moment when the coffee creamer explodes was: "The creamer jizzes into the sky." This caused concern at the network, which passed a note to the producers instructing them to "exercise restraint."
This is the first episode in which Scott Michael Foster (Nathaniel) performs a musical number. Foster wasn't concerned about singing the song, but he was nervous about the accompanying ballroom dance sequence.