ABC cleverly left Eric Dane off the opening credits for Thursday night's episode, "I Am a Tree," but the guest star definitely left a huge impression once again -- despite speaking only the one line above.
Reprising his role as plastic surgeon Dr. Mark Sloan, Dane made a surprise appearance at the end of the episode, when he was caught wearing nothing but a towel and a smile in the hotel room of Addison Shepherd (Kate Walsh) -- immediately after soon-to-be ex-husband Derek (Patrick Dempsey) came clean about his own affair.
So how does Dane, whose character became known as "McSteamy" last season -- a play on Dempsey's "McDreamy" -- stay in shape for those towel scenes?
"I go to the gym four times a week. When I am 60, I want to feel like I am 40. I lift weights and I have a really good trainer," he tells EW. "I eat whatever I get my hands on. You could bottle my metabolism and we would all be billionaires. I miss a meal, I lose five pounds."
His extensive TV work includes a recurring role on Charmed, Vegas, the made-for-TV movie Helter Skelter, and as the lead on Gideon's Crossing.
We're looking forward to seeing how long Dr. Sloan sticks around Seattle Grace, and what his future with Addison holds.