In a bleak future that's a blend of World War II Europe and Tolkien's Middle-earth, a runty wizard (Bob Holt) must save the world from fascist mutants controlled by his evil twin brother (Steve Gravers), who likes to project films of Adolf Hitler speeches during attacks.
If there isn't a second season of this show, then the skies really should turn red and horrible monstrosities should rain down on us all (but starting with the execs at the BBC).
Neil goes underground to begin planning his fight back against the Fades and as Paul's terrifying visions continue, Neil takes him to see an ancient Fade, who foresees Paul's importance in the looming battle.
That's a lot of extremely inventive television and I didn't even mention the episode written by Neil Gaiman, "The Doctor's Wife," which is one of the high points of the show's Forty-Nine year history.