Plot hole: In the first episode, Richard Fish invites Ally to join his law firm, saying that he has only recently set it up, yet in the Christmas episode of series one, Elaine says that singing at the party is an annual tradition in the firm and also that they have had at least three Christmas parties. That much time has not passed since Ally joined.

Revealing: When Georgia walks into Billy's office naked, a triangle-lamp will cover her "naked" breasts. Look closely, for at one point you can see the white, strapless bra.