(On a roof at Heathrow the TARDIS spews out Tegan, Nyssa and the Doctor.) CAPTAIN STAPLEY: Is that the Master's TARDIS? DOCTOR: Well I think with that extra energy on board my temporal limiter will need replacing. DOCTOR: Well, it's Heathrow Airport. In order to check out the temporal dimensions he'll need to track back the line of the time contour. NYSSA: He'll just take off again. NYSSA: The Doctor's going to materialize around the Master's TARDIS. The others all follow him.) With the power of the Xeraphin the Master will be invincible! [SCENE_BREAK]
(Inside the Concorde cockpit.)
Plan: A: The Doctor; Q: Who follows The Master back to Heathrow airport? A: the crew; Q: Who rigs the Concord jury so they can take off with the Doctor's help? A: the plane; Q: What do the crew of the Concord jury rig? A: replacing; Q: What does the Doctor announce the temporal limiter will need? A: Tegan; Q: Who gets accidentally left behind at Heathrow? Summary: The Doctor partially works with The Master, the crew of the Concord jury rig the plane so they can take off with the Doctor's help. The Doctor follows The Master back to Heathrow airport. The Doctor announces that the temporal limiter The Master conned him out of will need replacing and that he is going to be stuck. Tegan gets accidentally left behind at Heathrow.