15 April (releases)


 * 1967 - Episode two of The Faceless Ones was first broadcast on BBC1.
 * 1972 - Episode two of The Mutants was first broadcast on BBC1.
 * 2006 - New Earth was first broadcast on BBC One. Later, New New Doctor aired on BBC Three.
 * 2007 - The Rebirth of Corah was first published in DWBIT 68.
 * 2010 - Shrouded was first published in TM 21.