The season's filming had to wrap on the Thursday before Good Friday otherwise the crew would all then be on overtime rates. The last scenes to be filmed were Sydney and Francie's battle which took a huge amount of time to set up and film. Shooting finished at 11:45pm, 15 minutes before the final cutoff time.
Merrin Dungey had problems making out with David Anders because she had recently broken up with her boyfriend, a close friend of Anders'.
According to J.J. Abrams, Merrin Dungey was anxious to shoot fight scenes. She was tired of playing a sentimental non-action character.
The fight between Sydney and Francie took two days to film.
Irina mentions the club "Välsmakande", which is Swedish for "tasting good".