Main content
Galaxy 4: Air Lock (Animated)
The Doctor and Vicki learn the truth about the Drahvins from the ammonia breathing Rills. Meanwhile, when Steven attempts to escape the Drahvins, he finds himself in more peril.
Enter The Whoniverse
Every Doctor, every companion, every enemy. Discover the Whoniverse. Only on 91Èȱ¬ iPlayer.
