After saving the galaxy, alongside the first two Doctors, the Doctor regains control of his TARDIS and meets with Draconians, Daleks and giant maggots but says farewell to Jo.
The Doctor and the Thals escape from the Dalek city and the Doctor is delighted to find that Jo is alive. The Daleks are preparing a deadly bacteria to kill all life on the planet.
S1E4 23 min
