The Sixth Doctor must help his second incarnation battle the Sontarans.
The Second Doctor and Jamie visit space station Camera to speak to the scientist Dastari.
S6E1 44 min
The Doctor and Peri meet Jamie and learn the Second Doctor is with the Sontarans on Earth.
S6E2 45 min
The Sixth Doctor meets the Second Doctor but events soon overtake them.
S6E3 45 min
