Romana leads the Mentiad assault of the Bridge just as Mr. Fibuli broadcasts his psychic interference transmitter, nullifying their telepathic powers. Queen Xanxia targets Earth for the next jump in order to gather rare minerals and reach full corporeal status, but the Doctor jumps the TARDIS in her way, initiating a battle to see who's power gives out first. Written by
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The DVD release of this episode differs from the transmitted version. The Doctor Who
(1963) Restoration Team were unhappy with the scene in which the spanner is engulfed by a blast. Due to failings of 1970s vision mixing, the spanner is suspended in front of the blast for a few frames and then disappears. For the DVD release, the Restoration Team took the liberty of adding additional frames so that the spanner is blasted back towards the camera to help sell the effect better. See more
The psychic interference transmitter, sir. There seems to be something counter-jamming it.
What? We dematerialize in three minutes!
[activating the P.A. system
All guards on alert! Someone is using a counter-jamming frequency projector! Find it and destroy it immediately!
Captain, do you suppose any of the guards know what a counter-jamming frequency projector looks like?
[the Captain considers for a moment, then...
[into the P.A. system