This episode was mean to be 4th but changes in the schedule meant it became the 5th episode.
Saffy's play in this episode makes references to several previous episodes.
Christopher Ryan appeared in The Young Ones alongside Ade Edmondson, the husband of Jennifer Saunders.
Eddy: I've got morals!
Saffy: How can you say that? You burned and scared my best friend!
Saffy: Her name is Sarah.
Eddy: Darling, she was standing with her little pigtails too close to a candle!
Patsy: Act of God.
Saffy: You were holding the candle.
Kasha: This is the story of a Self-Raising Flower...
Patsy: Piss off!!!
Ponder this for a moment. We've never seen Serge, and from what we can tell he hasn't had contact with Edina since he moved out. With that said, how would he know the number to her cell-phone?