Eps9greys Anatomy - Season 1 🎁 Bonus Inside

: Derek operates on Chief Webber's brain tumor in secret.

Watch a recap and review of the intense season 1 finale where secrets are finally brought to light: Eps9Greys Anatomy - Season 1

Derek froze, his face draining of color. "Addison. What are you doing here?" : Derek operates on Chief Webber's brain tumor in secret

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. titled "Who's Zoomin' Who?