During the taping of the final scene, Jorja Fox's foot was run over by one of the limousines. She continued working on the scene until Aaron Sorkin was informed by the driver of the car that her foot had been run over. She was taken to the hospital and treated for a broken foot before returning to work. According to Sorkin, Fox apologized and said that it was her fault for missing her mark.
The last episode of the first season of all three of Aaron Sorkin's TV shows (The West Wing (1999), Sports Night (1998), and Studio 60 on the Sunset Strip (2006), as well as the series finale of The Newsroom (2012) is entitled "What Kind of Day Has It Been?"
In this episode Charlie tells Josh 'you're right, it doesn't go away'. This is not explained in the episode. It references episode 3, the one where they first hire Charlie. At the end of that episode, Charlie tells Josh (as the President is about to address the nation) 'I've never felt like this before'. Josh replies 'It doesn't go away'. The statement by Charlie in this episode is a direct reply to this.
Martin Sheen is seen drinking out of a University of Dayton Flyers coffee mug. Sheen grew up in Dayton, Ohio. He has said that he failed his entrance exam there so he could pursue acting. He likes to give shout outs to his hometown from time to time.
This episode talks about complications on board the space shuttle Columbia. Three years after this episode aired, the actual space shuttle Columbia would tragically disintegrate on its 28th mission during re-entry on February 1, 2003, resulting in the deaths of all seven crew members.