The Doctor eventually convinces Martez that a Dalek-dominated world will know only hatred, war and death.

The Doctor convinces the Master to stop, and the Paradox Machine is destroyed.

Doctor Strange convinces Morbius to fight the control of Bloodthirst.

The Doctor convinces Astrid to join him on a brief excursion to the surface of Earth.

After hearing about the trouble with the corpses, the Doctor convinces Gwyneth to help him hold a séance to attempt to communicate with the dead.

Believing the victims are not dead, the Doctor convinces Avery and Amy to prick themselves.

The Doctor convinces Reptu that the Grand Matriarch must be stopped.

The Doctor convinces the Master that the Nestenes will not distinguish between ally or foe once they arrive.

Doctors can convince trusting patients that they will get better even while giving them a course of pills which consist of little more than sugar and water.

There, the Doctor convinces Poul that a robot may have killed the mineralogist.