On 21 June, a number of things set in or relevant to the Doctor Who universe were released or published.
- 1965 - Part two of the TV Comic story Challenge of the Piper was first published.
- 1969 - Episode ten of The War Games was first broadcast on BBC1, concluding season 6.
- 1969 - Part four of the TV Comic story Operation Wurlitzer was first published.
- 1975 - Part five of the TV Comic story The Wreckers was first published.
- 1990 - The novelisation of Remembrance of the Daleks was released by Target Books.
- 2007 - Part one of the Doctor Who Adventures comic story Minus Seven Wonders was first published.
- 2008 - Turn Left first broadcast on BBC One. Later, Here Come the Girls aired on BBC Three.
- 2012 - The Doctor Who Adventures comic story Le Tour de Death was first published.
- 2017 - Part one of Vortex Butterflies was first published in 10DY3 6.