The idea came from Rachel Cook of BBC Radio, who is part of the official magazine of the program and also provided links where fans could see it legally. Whovians (as fans of the series call themselves) from around the world took this initiative and with the hashtag #SaveTheDay, they managed to become a trend.

— danieldisa (@danieldisa) March 21, 2020 “The Day of the Doctor” was first broadcast on November 23, 2013 and this episode celebrated the 50th anniversary of “Doctor Who” as a program.

I can’t think of a better way to wrap up the anniversary than this. Simply one of the best Doctor Who scenes ever.#DoctorWho#SaveTheDay pic.twitter.com/kF1C4yTdLL — Bad Wolf Archives (@BadWolfArchives) March 21, 2020 Starring Matt Smith, David Tennant and John Hurt, the special brings together three different incarnations of the last lord from the character’s past and future to stop a Zygon conspiracy and save Gallifrey from the War of Time. https://twitter.com/piericieza/status/1241462957420302336

 SaveTheDay  Doctor Who Fans Organize To Watch The 50th Anniversary Special - 49