As the Doctor's trial continues, evidence is presented showing his most recent adventure, one where he faces an old adversary, Sil. As a scientist conducts his unethical experiments to prolong the life of Sil's boss Kiv, the Doctor's memories of the events begins to return and an unpleasant surprise awaits him.

Credits

Ron JonesDirector

Colin BakerThe Doctor

Nicola BryantPeri Brown

Michael JaystonThe Valeyard

Lynda BellinghamThe Inquisitor