• Season 3 Episode 24
  • Testing 1-2-3

  • Airdate:10.05.2007.

The interns take the biggest test of their careers, their first-year medical exams, as the residents attend to three injured mountain climbers. Meanwhile Callie's suspicions of George and Izzie grow, and Cristina struggles to write her wedding vows.

series regulars:

    Ellen Pompeo as Meredith Grey
    Patrick Dempsey as Derek Shepherd
    Sandra Oh as Cristina Yang
    Isaiah Washington as Preston Burke
    Katherine Heigl as Isobel "Izzie" Stevens
    Justin Chambers as Alex Karev
    T.R. Knight as George O'Malley
    Chandra Wilson as Miranda Bailey
    James Pickens, Jr. as Richard Webber
    Kate Walsh as Addison Shepherd
    Sara Ramirez as Callie Torres
    Eric Dane as Mark Sloan

guest cast:

    Loretta Devine as Adele Webber
    Elizabeth Reaser as Ave/Jane Doe

written by:

Allan Heinberg

directed by:

Christopher Misiano