Stargate Atlantis (2004)

Episode Overview

Dr. McKay finds himself in a dire situation when he becomes trapped underwater in a sinking Puddle Jumper. As he struggles to escape, his mind conjures an illusion of Samantha Carter, who becomes a critical source of guidance and support. Faced with dwindling time and rising panic, McKay must rely on this imaginary interaction to navigate his way through the crisis and find a way to survive.