Stargate Atlantis (2004)

S2E4 Duet

After an encounter with a Wraith Dart, the consciousness of an astute Atlantis security officer becomes ensnared within Dr. McKay's mind. As the two navigate this unexpected predicament, they must work together to find a way to separate their intertwined thoughts and experiences. The situation challenges both their intellect and emotional resilience, leading to unexpected revelations and growth as they confront their fears and insecurities while racing against time to restore their identities.