Fury from the Deep The TARDIS lands on the surface of the sea, just off the east coast of England. The time travellers use a rubber dinghy to get ashore, where they are shot with tranquilliser darts and taken prisoner by security guards as they have arrived in the restricted area of the Euro Sea Gas refinery.
At the refinery base, run by a man named Robson, the Second Doctor learns that there have been a number of unexplained problems with the pressure in the feed pipes from the offshore drilling rigs and a strange sound is reverberating through the pipeline. It is later revealed that one of the rigs has sucked up a parasitic form of seaweed, which is capable of releasing poisonous gas or a strange kind of foam that allows it to take control of the minds of those it touches.
The weed spreads rapidly and seems set on establishing a huge colony centred around the rigs. The Doctor makes the chance discovery that it is very susceptible to high pitched noise; consequently, he is able to use the amplified sound of Victoria's screams to destroy it. Victoria elects to stay with the family of one of the refinery workers, Harris.
The Doctor, although sharing Jamie's sadness at her departure, understands her decision to settle down to a quieter life.
The Stolen Earth / Journey's End When Earth and twenty-six other planets are stolen and taken to the Medusa Cascade and the Doctor is nowhere in sight, it's up to the combined forces of UNIT, Torchwood, Sarah-Jane and Rose to fight off the thieves, who only have one thing to say to the resistance: "EX-TER-MIN-ATE!"
All hell has broken loose! Humanity is threatened with global annihilation, as Davros and the New Dalek Empire prepare to detonate a bomb that will wipe out all of existence. The Tenth Doctor is helpless, and the TARDIS faces destruction. The only hope lies with the Doctor's companions — the "Children of Time" — but Dalek Caan predicts that one will die…