Behind the scenes
- According to The Brilliant Book 2012, a book that contains non-narrative based information, Earp later met Amy Pond and Rory Williams, who described him as "not a nice guy" as he tried to shoot him.
- In an alternate universe where all of history happened at once, Wyatt Earp dismissed rumours of being engaged to a member of the Borgia family. (REF: The Brilliant Book 2012)
- Donald Sutherland was the original choice for the role.