Which hospital-themed soap opera did the artist behind the 1984 song All I Need act in?
All I Need (Jack Wagner song) "All I Need" is a 1984 song by American actor and singer Jack Wagner, the title-track to his 1984 debut album, All I Need.
Invasion (Grey's Anatomy) "Invasion" is the fifth episode of the 6th season of the American television medical drama "Grey's Anatomy", and the show's 107th episode overall. It was written by Mark Wilding and directed by Tony Phelan. The episode was originally broadcast on the American Broadcasting Company (ABC) in the United States on October 15, 2009. In the episode, the physicians of Seattle Grace Hospital must learn to co-operate with new Mercy West residents, who do not act in a kind manner to them. Other storylines include Dr. Callie Torres (Sara Ramirez)'s father returning to the hospital to condemn her homosexuality, and Dr. Izzie Stevens (Katherine Heigl) putting her career into jeopardy after administering the wrong treatment to a patient.