Harry Sullivan's Guilt and Recklessness Endangering the Team

The Tardis materializes aboard a derelict space station with flickering lights and thinning air. The Doctor immediately dismisses Harry’s fumbling attempts at the helmic regulator while Sarah questions their surroundings. …

The Doctor and Harry search frantically for Sarah after she vanishes in the alien ark, confronting the station’s hidden mechanisms. Harry’s guilt surfaces as he nervously recalls touching a switch, …