Celebration: Doctor Who in 1983 was a 2|entertainDVD documentary looking at Doctor Who's 20th anniversary in 1983. It was presented by Colin Baker and released on the DVD of The Five Doctors - Special Edition.
For the purposes of this list, a "DVD documentary" is one made especially for the Classic Series DVD range. For this reason, things like studio recordings, film trims/inserts and other documentaries featured on DVD releases are not included below.