Time itself is in peril! The three Doctors are united against an old enemy from the distant past of Gallifrey. Vital cosmic energy is draining into a black hole and the Time Lords are under siege. The Doctor is their only hope but, trapped in the TARDIS, he's powerless. The only way out is to break the First Law of Time to let the Doctor help himself - literally. Written by
Did You Know?
Though the second Doctor is supposed to appear out of thin air, he can be seen reflected in the rotor of the TARDIS console prior to his appearance. See more
The Second Doctor
Oh, I can see you've been doing the TARDIS up a bit. Hmm! I don't like it...
Featured in When Worlds Collide