A wealth of new Doctor Who content is being released to mark the sci-fi series' 60th anniversary. In addition to three new specials starring returning Doctor and companion duo, David Tennant and Catherine Tate, the BBC has added every available classic story to BBC iPlayer, released a new mini series titled Tales of the TARDIS, and re-edited the 50th anniversary's biopic, An Adventure in Space and Time, to include new Doctor, Ncuti Gatwa. Additionally, the BBC recently aired a colorized version of Doctor Who's first ever Dalek story, recut from a seven-part serial into a 75-minute feature film.
Source：https://www.cbr.com/doctor-who-dalek-colorization-changes/
