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Anti-matter Organism

From TARDIS Index File, the free Doctor Who reference.

See also the Gell guards, the other anti-matter minions of Omega and the Anti-matter Creature of Zeta Minor.
The Anti-matter Organism engulfing Bessie. (DW: The Three Doctors)

The Anti-Matter Organism was an intelligent blob of energy, capable of existing in both the universes of matter and anti-matter. The organism was used by Omega to hunt down the Doctor and, acting as a bridge, take him to the anti-matter universe.

Unfortunately, the presence of more than one Time Lord confused the organism, causing it to send more than one individual into Omega's domain. (DW: The Three Doctors)

Aliens and Enemies of Season 10
The Three Doctors: Omega  • Gell guards  • Anti-matter Organism  • Time Lords Carnival of Monsters: Lurmans  • Drashigs  • Kalik  • Plesiosaurus  • Orum  • Inter Minorians Frontier in Space: Draconians  • The Master  • Ogrons  • Daleks  • Ogron eater  • Cross Planet of the Daleks: Daleks  • Dalek Supreme  • Thals  • Spiridonians  • Sponge-plants  • Eye-plants The Green Death: BOSS  • Giant Maggots  • Giant Flies  • Stevens  • Ralph Fell  • Elgin  • Hinks  • James