The Thals and the time travellers attack the Daleks from all sides as the Daleks start the countdown to release deadly doses of radiation into the atmosphere.
After being shot beside the TARDIS, the Seventh Doctor becomes the Eighth. And on the streets of San Francisco – alongside new ally Grace Holloway - he battles the Master.
Regional Variations (2)
Jools is joined by The Lightning Seeds, Foo Fighters, Ian Brown, jazz-funk combo Incognito, blues legend Taj Mahal and Toumani Diabate.