Fourth Galaxy

From Tardis Wiki, the free Doctor Who reference
You may be looking for the TV story.

Galaxy 4 was the location of the planet Drahva. (TV: Galaxy 4)

The Semestran Interlude were natives of Galaxy 4. (AUDIO: Voyage to the New World)

Galaxy 4 may be one of the Ten Galaxies ruled by the Dominators (TV: The Dominators) and may be the same galaxy as the Fourth Galaxy, which allied itself with the Daleks (TV: The Daleks' Master Plan).