Darkness falls. Chaos ignites.

When the superstorm of the century its Grey's Anatomy next Thursday night, all hands are on deck and all bets are off. They've never dealt with a situation quite like this one before.

Grey Sloan Memorial Hospital enters crisis mode on the 9th season finale as resources become scarce, patients flood in by the busload and the surgeons themselves fight for their lives.

How will it impact the core characters? Will the hospital suffer more tragic losses?

For a full rundown and discussion of the events of last night's episode (and there were a lot), just follow the link for TV Fanatic's official Grey's Anatomy review of "Readiness is All."

Then watch the season finale promo below and see what you think ...

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.