Assisted by Prof. Rumford and K-9, the Doctor builds a projector by which to enter hyperspace and rescue the kidnapped Romana, all of them all the while trying to avoid the bloodsucking Ogri stalking them.
Did You Know?
The Megara were originally conceived as floating metal orbs. This was deemed too similar to the interrogator droid from Star Wars: Episode IV - A New Hope
(1977), so they were changed to floating lights. See more
You know what they say about hyperspace.
Prof. Emilia Rumford
Ah, they say it's a theoretic absurdity - and that's something I've always wanted to be lost in.