Tonight, Grey's Anatomy returns with an all-new episode, in which the Grey sisters find themselves confronting their daddy issues once again. Thatcher is back.

For Lexie, it's an opportunity to do what she can do save the dad who was so wonderful to her. For Meredith, the situation is a bit murkier. That's putting it mildly.

Will Mer give him the liver transplant he needs to survive?

We've posted previews, pictures and plenty of news and Grey's Anatomy spoilers that give us an idea of what we can expect this evening in "Tainted Obligation."

Now it's time to sit back, enjoy, and share your predictions and views. What do you think and hope will happen on tonight's Grey's Anatomy?

Discuss this evening's episode by leaving comments below and chatting with other fans in our

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