The Time Monster (4)
S9, E24: As UNIT forces approach, the Master leaves for Atlantis in his TARDIS. However, the Doctor is not far behind and in the time vortex, the two Time Lords end up confronting each other.
S9, E24: As UNIT forces approach, the Master leaves for Atlantis in his TARDIS. However, the Doctor is not far behind and in the time vortex, the two Time Lords end up confronting each other.