See where it all began!
This little detail doesn't stop Derek from asking her out.
Watch this classic moment from Season 1!
Watch a classic Season 1 moment of Grey's Anatomy!
Watch this classic Bailey scene from Season 3.
Watch this classic Grey's Anatomy scene from Season 2.
A classic Grey's Anatomy scene from Season 1!
Watch the classic Season 5 elevator scene here.
MerDer write their vows down on a post-it and sign it.
Mer reveals all to Alex.
Amelia, Bailey and Maggie weigh in on Mer's sleep issues.
Meredith and Derek's son is born in this classic scene.
Is he saying goodbye to Seattle... and Meredith?
Callie and Meredith bond over their problematic love lives.
Meredith opens up to her sister about their mom.
Watch Meredith's surprising reaction here.
Jo is less than thrilled with this development.
Watch this classic scene from Season 7!
Watch this classic clip from Season 9!
Watch as these two best friends dance it out one last time.
Derek proves he's a McDreamy daddy by donning a princess crown for Zola!
Meredith tells Derek they could be extraordinary together.
These two have continued to be each other's person for 10 seasons.
George reveals his true identity to Meredith.