Seasons & episodes

S9 · E25The Time Monster (5) 1972-06-17 · 25 min＋

Both TARDISes reach Atlantis, where the Doctor befriends King Dalios while the Master enlists the help of Queen Galleia to try and obtain the crystal of Kronos.

S9 · E26The Time Monster (6) 1972-06-24 · 25 min＋

The Doctor enters the labyrinth to try and protect Jo from the minotaur but the Master has seized control of Atlantis and prepares to summon Kronos again.