Eric Dane first appeared on Grey’s Anatomy as Dr. Mark “McSteamy” Sloan in the season 2 episode “Yesterday,” which aired on February 19, 2006.

Quick Scoop

  • Character: Dr. Mark Sloan (aka “McSteamy”).
  • First episode: “Yesterday” (Season 2, Episode 18).
  • Original air date: February 19, 2006.
  • How he appeared: As a charismatic plastic surgeon with a messy history with Derek and Addison, instantly set up as a dramatic foil and fan favorite.

That single guest spot in season 2 was so popular that he was promoted to series regular in season 3, where his towel-clad entrance became one of the show’s iconic “watercooler” moments.

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