"Fatal Error - Part Two" is the 987th episode of Casualty and the 26th episode of the 30th series. It was preceded by "Fatal Error - Part One" and followed by "High Tide". The episode was directed by Steve Brett and written by Emily Groves. Behind the scenes images revealed that the episode was filmed around the end of October 2015. The episode takes place in-universe the week before on 27 February 2016, the same date as the previous episode.