David Tennant's Doctor will take centre stage in three specials we previously learned will be titled "The Star Beast," "Wild Blue Yonder," and "The Giggle."

Source: https://comicbookmovie.com/tv/bbc-america/doctor-who/doctor-who-trailer-for-60th-anniversary-specials-reveals-donna-nobles-fate-and-the-celestial-toymaker-a205823

Doctor Who's first 60th-anniversary special episode, "The Star Beast," certainly left an impression — and a lot of unanswered questions.

Source: https://screenrant.com/doctor-who-60th-specials-star-beast-biggest-questions/

Well, "The Star Beast" didn't solve the mystery of the Doctor's returning face, but it did answer all our questions about Donna.

Source: https://www.slashfilm.com/1455327/doctor-who-special-donna-noble-memory-return/

While the basic premise and character were adapted for 's "The Star Beast," there are a number of significant differences between both stories.

Source: https://screenrant.com/doctor-who-the-star-beast-retro-art-comic/