Gillian Anderson's fight scene with the nurses is one of the actress' favorite scenes in the series.
This episode was written by author William Gibson, a pioneer in cyberpunk science fiction. As in this episode, his novels frequently include artificial intelligence characters.
The average TV episode takes about eight days to film. This one took 22.
According to executive producer Frank Spotnitz, "Kill Switch" was the single most expensive episode that was filmed in Vancouver.
From inception to production, this episode took over a year to reach the screens.