Below is a minute-long promo for the emotional, two-hour season five finale of Grey's Anatomy. Officially, it's being called two episodes - "Here's to the Future" and "Now or Never," airing back-to-back. But it's really one gigantic season-ending event.

According to the promo, an event so big that it will "forever change the way we watch Grey's." Overdramatic as that may sound, there's clearly a lot hanging in the balance ...

[video url="http://www.greysanatomyinsider.com/videos/greys-anatomy-season-five-finale-extended-promo/" title="Grey's Anatomy Season Five Finale Extended Promo"] [/video]

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