Stewart's descent into paranoia and desperation, leading to his betrayal of the group and attempt to seize the TARDIS for himself.

Outside Central Control, the group stands in a furnace-like environment where the heat is unbearable and breathing is difficult. Stewart, increasingly desperate and self-preserving, insists on an immediate evacuation, dismissing …

In the nuclear reactor switch room, Stewart’s mounting panic and ruthless pragmatism reach a breaking point as he openly admits his contingency plan to seize control of the TARDIS once …