Which documentary film, "That's Dancing!" or "V-Day: Until the Violence Stops", was filmed first?
That's Dancing!: That's Dancing! That's Dancing!:  is a 1985 retrospective documentary film produced by Metro-Goldwyn-Mayer that looked back at the history of dancing in film. V-Day: Until the Violence Stops: V-Day: Until the Violence Stops (also known as World VDAY) is a 2003 documentary film directed by Abby Epstein.
That's Dancing!