The Doctor and Victoria attempt to force the Ice Warriors to surrender control of the ioniser before the ice flow destroys them.
Did You Know?
This episode takes place on the Britannicus Base in the 34th Century. See more
Victoria tells the Doctor that her father, who was killed in 1867, taught her about sympathetic resonance, which wasn't discovered until 1872. See more
Let me have it. Give it to me at once.
[on the communicator
Zondal. Zondal fire. Fire now. Zondal fire. Zondal fire. Fire now.