A short distance from the cell, the four time travellers arrive at a junction in the corridor.) BARBARA: The TARDIS. In the throne room of the palace, the DOCTOR and Kublai KHAN are playing backgammon. LING-TAU: The great Khan has left the summer palace at Shang-Tu, my Lord. PEKING PALACE - THE CORRIDORS
(The chase continues through the corridors of the Palace. POLO: As my lord commands. POLO: Tegana's in the throne room with the Khan now. The Warlord Tegana has arrived in Peking. They run into Marco POLO and a guard.) While the guard stumbles to the floor, the DOCTOR and his companions quickly race from the room. You claimed it in the Khan's name? You have the key of the caravan?
Plan: A: 1289; Q: In what year did the Doctor and his companions arrive in Central Asia? A: the Doctor; Q: Who strikes up an extraordinary friendship with the now-aged ruler? A: the famous Venetian explorer Marco Polo; Q: Who did the Doctor and his companions join in Central Asia? A: its way; Q: What does the caravan of Marco Polo make? A: the Pamir Plateau; Q: Where did Marco Polo start his journey? A: the treacherous Gobi Desert; Q: What desert did Marco Polo cross? A: the heart; Q: What part of Cathay did Marco Polo travel through? A: imperial Cathay; Q: What country did Marco Polo travel through? A: a variety; Q: What kind of dangers did the Doctor and his companions survive? A: the mighty Kublai Khan's Summer Palace; Q: Where did the Doctor and his companions arrive in Shang-tu? A: Peking; Q: Where is the Imperial Palace? A: the travellers; Q: Who saves the Khan from an assassination attempt? A: an assassination attempt; Q: What does the Doctor save the Khan from? A: a peace mission; Q: What was the Mongol warlord Tegana supposedly on? A: the TARDIS; Q: What vehicle does the Doctor and his companions leave in? Summary: Missing episode Arriving in Central Asia in 1289, the Doctor and his companions join the caravan of the famous Venetian explorer Marco Polo as it makes its way from the snowy heights of the Pamir Plateau, across the treacherous Gobi Desert and through the heart of imperial Cathay. Having witnessed many incredible sights and survived a variety of dangers, they arrive at the mighty Kublai Khan's Summer Palace in Shang-tu, where the Doctor strikes up an extraordinary friendship with the now-aged ruler. They move on at last to the even more sumptuous Imperial Palace in Peking, where the travellers save the Khan from an assassination attempt by the Mongol warlord Tegana - supposedly on a peace mission - before departing once more in the TARDIS.