- Ellen Pompeo (Meredith Grey)
- Chandra Wilson (Miranda Bailey)
- James Pickens Jr. (Richard Webber)
Grey's Anatomy — S5E22
Episode: What a Difference a Day Makes
Air Date: 2009-05-07
Runtime: 43 min
Overview
As Meredith, Derek and all of their friends prepare for the big wedding, a group of college students, injured in a car crash as they were heading to their graduation ceremony, is admitted to the ER. Meanwhile, Izzie fears the worst when she begins experiencing familiar symptoms.