Doctor Who, Season 6, The Invasion Episode guide
8/8 The Cybermen launch their deadly megatron bomb which will destroy all life on Earth.
First broadcast: 21 Dec 1968
7/8 The world's population is unconscious and the Cybermen invade London in force.
First broadcast: 14 Dec 1968
6/8 UNIT, Zoe, Jamie and Isobel must confront Cybermen in the sewers beneath London.
First broadcast: 07 Dec 1968
5/8 The Cybermen are planning to immobilise Earth's population and Vaughn is helping them.
First broadcast: 30 Nov 1968
4/8 Trapped by Vaughn's men, the Doctor requests help from UNIT. But what's in the cocoon?
First broadcast: 23 Nov 1968
3/8 The Doctor and Jamie are taken prisoner by Vaughn who denies abducting Zoe and Isobel.
First broadcast: 16 Nov 1968
2/8 The Brigadier confirms there is something suspicious about International Electromatics.
First broadcast: 09 Nov 1968
1/8 The TARDIS lands in London and the travellers agree to help find Professor Watkins.
First broadcast: 02 Nov 1968