The Twin Dilemma: Part 4—Season 21

The Doctor's old friend Azmael comes to the realisation that he has been corrupted.

The Twin Dilemma: Part 3—Season 21

Mestor says all he wants is for the Sylvest twins to help him repopulate his home planet.

On Jaconda, Mestor's cruel domination over the planet's population continues.

Professor Edgeworth has kidnapped twin human child genii, Romulus and Remus.

Morgus is ruined and Jek goes on a murderous rampage.

Jek believes Peri will fall in love with him and the Doctor is caught by the gunrunners.

Salateen tells Peri and the Doctor they are dying from spectrox toxaemia.

Gunrunners on Androzani Minor are supplying the unhinged android-builder, Sharez Jek.

The Doctor is forced to take drastic measures against Kamelion and the Master.

Timanov demands sacrifices to appease his god, Logar.