The Trial of a Time Lord, Part Six (Mindwarp)

Résumé :

As the Valeyard presents events to the Doctor and the Time Lords, the Doctor informs them that he does not remember the events occurring. Peri encounters Matrona who allows her to join Mentor's servants in order to protect her from the guard. As things progress, the Doctor's behavior becomes more erratic as he trys to mislead Dr. Crozier.