1982 (Four Parts)
The Doctor, Adric, Nyssa and Tegan, arrive on Earth in the 26th century in a set of caves that contains a numerous amount of Donosaur fossils.
Members of the military (Not UNIT) have been exploring the caves but many have been killed by mysterious humanoid figures with no facial features.
The Doctor runs into Lieutenent Scott and his Military, who think that the Doctor is behind the murders but suddenly are attacked by the humanoid figures.
These are the real enemy and they have been created and are under the control of an old enemy, Cybermen.
Adric, Nyssa,and Tegan remain in the TARDIS as instructed but Adric sets of to find the Doctor and the others soon follow. The Cybermen have planted a bomb in a strange hatch which the Doctor soon discovers.
With Adrics help, the bomb is now successfully deactivated. The four time travellers trace a signal that was previously being sent out to a large freighter deep in space. They all meet the crew but are once again are being accused of murder.
But the Doctor is able to speak to the commander and is just about found innocent.
But an army of Cybermen, big enough to rule an empire, are heading the way of the freighter.
The Cybermen's plan is to crash the ship into earth in prehistoric times in order to cause the extinction of the dinosaurs and the ship is thought to be the meteor that crashed into Earth.
The Cybermen would then eliminate all life on Earth.
Having Now being aware of the plan, the four time travellers and the entire crew have to escape.
But Adric notices something and stays behind trying to stop the Cybermen's plan.
The cyberleader tries to stop Adric but he is to weak and the Cyberleader dies.
He has to be quick as the ship could destroy Earth.
The others all escape but the only solution as Adric realises, is to blow up the freighter but in doing to Adric himself dies...
Attack Of The Cybermen
1985 (Two Double-Lenghth Episodes)
The newly regenerated Doctor plans to take Peri To London as a suprise for her but the journey goes wrong when somebody beams a mayday signal to the TARDIS.
The Doctor opens up the scanner to see Haleys comet orbiting the ship.
The Doctor has once again been trying to repair the chamelion circuit but when the TARDIS lands in London, Totters Yard in 1985, the TARDIS disguises itself as a cabinet.
The Doctor and Peri travel towards a building where they meet a pair of rogue policemen .
The Doctor is able to knock one down unconcious and then they investigate the sewers.
They meet commander Lyton who was there again with Davros and the Doctor recognises him even though they didn't actually meet last time.
The Also see a Cyber guard patrolling around the sewers but he is able to destroy it by using a machine from the TARDIS.
Commander Lyton and his crew are then taken to the TARDIS.
Just when they are about to dematerialise, the TARDIS is invaded by Cybermen.
Two are destroyed but suddenly the Cyber leader marches on board with more Cybermen and gives the order to kill Peri...
The Cybermen lock up the travellers and the Cyberleader announces that he will take the TARDIS to Telos.
When they arrive a rogue Cyberman escapes from its tomb.
The Doctor is locked in a room on cybercontrol with a Cryon-enemies of the Cybermen on Telos as is with peri and lytton.
The Cyber controller plans to blow Haleys comet into the Earth by somehow turning it into a massive bomb...
But when the Doctor, lytton and Peri manage to escape, they head for the centre of Cybercontrol where the Doctor battles with the cybercontroler (the one with the massive bolbous head)and defeates him.
The Doctor uses a type of powder that the Cryon gave him which blows the Cyber tombs to pieces as well the section of Telos which the Doctor is in...
1988 (Three Parts)
The Doctor and Ace arrives in England in 1988 where they are unaware of the fact that a bunch of Cybermen, a group of Nazis and a 17th century sorceress, Lady Peinforte wishes to control a statue made entirely of Validium,a rare and special type of metal.
The statue was previously made by Rassilon as an ultimate defence for the planet Galifrey.
The statue contains three individual pieces-a bow, and Arrow and the statue itself.
The piecess all need to be together in order to activate the Nemesis Statue but they became seperated in 1638 in order to stop Lady Peinforte trying and seize it.
The Doctor had launched it into space inside a meteorite which had an orbit that brings it Earth every 25 years.
But the Statue brings destruction and disaster every time it lands.
A Cybership arrives and the figure of the indestructible cyberleader is revealed.
Cybermen try to kill the Doctor and Ace. But having escaped, the Doctor reveals on a scanner that above Earth, Thousands of pre-invisible Cyber warships are seen.
The Doctor Manages to fight off the three factions but Ace escapes to a Cyber ship and Discovers the Statue ... the Cyberleader and another group of other Cybermen heading her way...
The Doctor succeeds but nobody knows that this is a trip for the Cybermen.
The Cyber leader, his Cybermen on Earth and their ship are destroyed and the Doctor sends the statue back into space where it destroys the entire Cyber fleet in orbit...