The day belonged to birthday boy Richard Webber on Grey's Anatomy Season 10 Episode 16.
But next Thursday's new installment of this ABC series will turn the attention fully on Cristina, as "Do You Know?" asks one simple question:
What if Cristina has taken one path instead of another? How would her life be different? Grey's Anatomy Season 10 Episode 17 puts Sandra Oh front and center to explore and issue we've all asked ourselves many times.
Watch the official ABC promo now:
While Cristina is pondering her life, one of the hospital’s patients decides whether to live or die during what promises to be an emotional hour of television.
Prepare yourself. Watch Grey's Anatomy online if you need to catch up. And toggle through images from this upcoming episode below: