Meredith and Nathan end up stuck sitting next to one another on a plane on Grey's Anatomy. "In the Air Tonight" is the 19th episode of the show's 13th season.
Meredith: You don't like flying? Riggs: It's not my favorite. Meredith: Me either. Both: Plane Crash. Riggs: You were in a -? Meredith: Yeah. Riggs: Was it bad? Meredith: I mean it was - we crashed and got lost. People died. It wasn't great.