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 (DW: The Three Doctors)
- Celestial Toyroom (DW: The Celestial Toymaker)
- Land of Fiction (DW: The Mind Robber)
- Eugene's World (BFA: The Holy Terror)
- Bottle universe (EDA: Interference - Book One)
- Deep Darkness (DW: The Shakespeare Code)
- Bubble universe (DW: The Doctor's Wife)
- The Obverse (IW: Enter Wildthyme)
