Credit: Video Still

The docs decided to move forward with their lives on Grey's Anatomy Season 9, Episode 11: "The End Is the Beginning Is the End," but in this preview of Season 9, Episode 12: "Walking on a Dream" it looks like that might not be so easy.

Meredith (Ellen Pompeo) is going through some major mood swings due to pregnancy hormones, while Arizona (Jessica Capshaw) starts suffering from phantom pain in the leg she lost. Doesn't sound like much fun to us!

Check it out below.

Credit: YouTube Photo: Grey's Anatomy Season 9, Episode 12 Preview: Meredith Gets Horny (VIDEO)

For more Grey’s spoilers, click here.

Catch the next new episode of Grey’s Anatomy on Thursday, January 24, 2013, at 9 p.m. ET/PT on ABC.