List of supplementary Doctor Who episodes

Doctor Who is a British science fiction television programme produced by the BBC. The show has been a large influence in the media since its inception in 1963. Running parallel to its parenting seasons and series' lie miscellaneous television broadcasts, home video "exclusive" releases, web broadcasts and theatrical films. These could be animations, mini-episodes, promotional scenes or charity specials.

This list only includes televised, online or home released episodes that are official or officially licensed by the BBC. Therefore audio, video game or stay plays are not included. Though games with live action scenes are allowed. The Doctor cameoing in other shows such as Extras or Family Guy are excluded, however mini-episodes airing in telethons or factual shows are included. Sketches with actors playing themselves are also excluded for better accuracy.

Doctor Who supplementary stories
There have been several special Doctor Who episodes and serials that are produced by the BBC. Below they are separated into the four periods of the show; the classic era, the wilderness era, the revival era and the Bad Wolf era.

Classic era (1963–1989)
Many Doctor Who supplementary episodes existed during the classic era of the show. These include mini-episodes and films.

Wilderness era (1990–2003)
Doctor Who supplementary stories existed during the wilderness era of the show where regular broadcast episodes didn’t exist. These include mini-episodes, animated stories and charity specials. They were broadcast sporadically through the 14 year period, but often featured actors from the classic era reprising their roles.

Standalone
Many standalone Doctor Who supplementary episodes existed during the revived era of the show. These include mini-episodes, animated stories and charity specials. They are all usually released as supplementary to a series.

Additionally throughout the sixth and seventh series several prequels were released online, which acted as openers for their accompanying episodes. All "prequels" were usually released ahead of their accompanying episodes. The concept is similar to that of the second series, in which each episode had an accompanying Tardisode.

The stories are segmented into the series they were released with.

Prequels
Short prequels serving as extra scenes to the regular episodes.

The Collection stories
Since 2019 special mini-episodes have been released to coincide with the blu-ray release of classic seasons. These mini-episodes often feature the return of past companions and enemies as well as a Doctor on one occasion. They range from 3-10 minutes in length. This list only documents the in character mini-episodes.

Lockdown! stories
In 2020 and 2021 special mini-episodes were released during official online watchalongs of past stories. They were often written by well known Doctor Who writers including Russell T Davies, Steven Moffat, Chris Chibnall and Neil Gaiman. They also featured returning Doctor Who actors in them including Jodie Whittaker, Dan Starkey, Arthur Darvill, Katy Manning, Sophie Aldred, Daniel Anthony, David Bradley, Pearl Mackie and Matt Lucas. The event also featured original stories in other mediums such as prose and motion comic. They are excluded from this list.