TVLine is reporting that the series finale will span 2 nights.
‘Grey’s Anatomy’ Season 14 Finale Air Date on ABC — Jessica Capshaw | TVLine
Which makes episode 20, the penultimate episode, I guess?
We have pretty much figured out that the curse breaks in episode 20. I wonder if that means everyone gets spread out in episode 20 and then spend the next 2 episodes getting back to each other?