Eps9greys Anatomy - Season 1 [ LIMITED ]

While the interns gossiped about the outbreak, Izzie and Cristina were caught in their own ethical storm. They performed an unauthorized autopsy on a patient to prove his death wasn't their fault, eventually discovering a genetic condition that saved the man's daughter. Meanwhile, Derek was busy performing a secret surgery on Chief Webber, who was struggling with a brain tumor that threatened his eyesight.

: Addison Montgomery-Shepherd arrives, revealing Derek is married.

The woman turned her gaze to Meredith, her eyes sharp. "And you must be the woman who's been sleeping with my husband." Eps9Greys Anatomy - Season 1

As the shift ended, a heavy Seattle rain began to fall. Meredith and Derek stood near the hospital entrance, ready to head home together. Their conversation was light, filled with the easy intimacy of a couple falling in love. But the doors swung open, and a woman in a perfectly tailored coat walked in. She was striking, confident, and carried an air of authority that stopped them both cold. "Derek," she said, her voice steady.

The season one finale of Grey's Anatomy , titled "Who's Zoomin' Who?," originally aired on May 22, 2005. The episode is famous for its massive cliffhanger: the arrival of Addison Montgomery, Derek’s secret wife. While the interns gossiped about the outbreak, Izzie

The episode ended on Meredith’s shocked face, leaving fans to wait months for the fallout of the revelation that "McDreamy" was actually a married man. Key Storylines from the Finale

: Derek operates on Chief Webber's brain tumor in secret. Meredith and Derek stood near the hospital entrance,

: A "syphilis train" starts with Alex and spreads to Olivia and George.