See where it all began!
This little detail doesn't stop Derek from asking her out.
A classic Grey's Anatomy scene from Season 1!
Addison is cheating on Derek with Mark.
Bailey stops the elevator so Derek can have a moment.
Watch the classic Season 5 elevator scene here.
Meredith tells Derek they could be extraordinary together.
Derek wishes he'd taken the stairs in this classic Grey's moment.
MerDer write their vows down on a post-it and sign it.
Watch this classic scene from Season 7!
A classic Grey's Anatomy scene from Season 6.
Watch this classic clip from Season 9!
Derek proves he's a McDreamy daddy by donning a princess crown for Zola!
Bailey has parenting advice for Derek in this classic scene.
Meredith and Derek's son is born in this classic scene.
"I don't know what to do anymore."
Derek struggles to deal with life back at Grey Sloan Memorial Hospital.
Watch their big season finale fight here!