Pocket universe

Pocket universes were functionally discrete continua which nevertheless constituted a subset of a larger universe. They were usually artificial in origin, created by powerful beings.

Possible Pocket Universes

 * Anti-matter universe (TV: The Three Doctors)
 * Celestial Toyroom (TV: The Celestial Toymaker)
 * Land of Fiction (TV: The Mind Robber)
 * Eugene's World (AUDIO: The Holy Terror)
 * Bottle universe (PROSE: Interference - Book One)
 * Deep Darkness (TV: ''The Shakespeare Code)
 * Bubble universe (TV: The Doctor's Wife)
 * The Obverse (PROSE: Enter Wildthyme)