Time-Flight: Part 1—Season 19

Concorde disappears back through a crack in time, so the Doctor follows its trail.

Earthshock: Part 4—Season 19

The Doctor realises the freighter is now a huge bomb, with one passenger still aboard...

The Cybermen are released from their silos and are on the march.

With her crew slowly vanishing, Briggs assumes the Doctor to be the guilty party.

Deadly androids are protecting a bomb buried beneath the Earth.

The Doctor stands accused, despite Lady Cranleigh knowing he is innocent.

The Cranleighs invite the Doctor to a ball, but a masked killer hides in plain sight.

The Doctor discovers more Terileptil criminals in hiding in London.

A mesmerised Tegan prepares to unleash the rats on the Doctor and Richard Mace...

The Terileptil leader is planning to wipe out mankind with plague rats.