The Doctor's scientific curiosity and moral imperative to protect endangered species (pterodactyl) drive him to break strict safety protocols and infiltrate restricted zones, creating conflict with institutional authorities.

The Doctor pursues a faint time eddy signal to an abandoned London Underground station, his device climbing to a maximum reading as he recognizes an active temporal anomaly. Disregarding security …

The Doctor investigates a derelict Underground Station only to confront a temporal anomaly in the form of a predatory pterodactyl. Equipment abandoned, he battles the creature with improvised tools—a torch …

In Grover’s dimly lit office the Doctor presses the Minister directly on Sarah’s disappearance, citing evidence from the underground station. Grover responds with evasiveness and a carefully rehearsed file story …