The coin toss at the end of the episode was suggested by Claudia Black. She said they should let something else make the decision for them, otherwise Crichton and Aeryn's characters would be too hurt/damaged by the decision.
Crais and Stark are both in the credits, even though they have left the series. Virginia Hey was removed immediately after her character died.
First appearance of Melissa Jaffer as Nooranti. She did however appear in season 2 episode 2 as Nilian the orican