Doctor Who, Season 19, Time-Flight Episode guide
4/4 The Doctor must follow the Master back to 20th century Heathrow.
First broadcast: 30 Mar 1982
3/4 From within their sarcophagus, the gestalt Xeraphin are communicating through Nyssa.
First broadcast: 29 Mar 1982
2/4 After an encounter with the Plasmatons, Nyssa is possessed by strange aliens.
First broadcast: 23 Mar 1982
1/4 Concorde disappears back through a crack in time, so the Doctor follows its trail.
First broadcast: 22 Mar 1982