Happy season finale day, Grey's Anatomy fans!

While it is always a bittersweet day when we say goodbye to new Grey's Anatomy episodes for a matter of months, we're all eagerly awaiting this evening's gripping two-hour conclusion of what has turned into a terrific fifth season of the show we love so.

Just a few more hours until the back-to-back episodes - "Here's to the Future" and "Now or Never" air - and all the Grey's Anatomy spoilers we've debated for the last few months become moot points. There's nothing left to do but sit and watch!

Check out the huge gallery of photos and a half dozen previews we've posted for a primer on this momentous episode. What are you most excited for, and what do you think will happen, on Grey's Anatomy? We don't know, but can't wait to find out.

You can discuss "Here's to the Future" and "Now or Never" before, during and after the show airs in our

Will these two tie the knot tonight? Will George leave Seattle Grace for good? And will Izzie survive? All these questions and more linger as we await the season finale.

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