Credit: Randy Holmes/ABC Television Group © 2012 Disney Photo: Dr. Richard Webber on Grey's Anatomy Season 8, Episode 12

Grey's Anatomy Season 8, Episode 12: "Hope for the Hopeless" is just around the corner. For those of you who can't wait until the episode airs to get a hint of what's in store, we've gathered all the sneak peeks together right here, so you can watch them on endless loop, dissecting every moment.

Spoiler-phobes, this post is for you: We won't reveal anything not shown in official promos.

First, Derek Shepherd (Patrick Dempsey) and Lexie Grey (Chyler Leigh) have to decide whether or not to take on a young boy with a seemingly inoperable brain tumor. The boy's mother makes an impassioned plea, and it looks like Derek will be won over. As if there was any doubt!

Credit: ABC Photo: Preview Clip: Sneak Peek of Grey's Anatomy Season 8, Episode 12: ''Hope for the Hopeless'' - Exclusive

In other patient-of-the-week news, this week Seattle Grace-Mercy West has to deal with this pair of bickering sisters, in for a liver transplant. Doesn't that sound fun?

Credit: ABC © 2012 Disney ABC Television Group Photo: Preview Clip of Grey's Anatomy Season 8, Episode 12: Whining Patient

In this heartbreaking sneak peek, Adele Webber (Loretta Devine) wanders into the hospital, confused and distraught. Things are not looking good for her.

Credit: ABC © 2012 Disney ABC Television Group Photo: Preview Clip of Grey's Anatomy Season 8, Episode 12: Adele Wanders Off

that's it, folks! If you like spoilers, you can find out even more about the episode here. Tune in to the episode on Thursday, January 19, at 9 pm ET/PT on ABC.

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