Final answer:
Doctors Shepherd, O'Malley, and Sloan are characters from the TV show Grey's Anatomy, which is known for its emotional storytelling and dramatic character exits.
Step-by-step explanation:
Doctors Shepherd, O'Malley, and Sloan are characters who met their demise on the long-running medical drama Grey's Anatomy. This show has been a staple of television, captivating audiences with the intense and emotional stories of the doctors of Seattle Grace Hospital (later named Grey Sloan Memorial Hospital). Grey's Anatomy is known for its dramatic twists, including the unexpected deaths of main characters, even carrying the emotional impact over several seasons. The series has become a significant part of modern pop culture with many memorable moments and beloved figures in the ensemble cast.