When Grey's Anatomy returns October 18 (it's off next Thursday due to the Vice Presidential debate), the survivors from the crash are asked to make an almost impossible decision that will affect the rest of their lives.

Meanwhile, tension grows between Jackson and April as they're forced to work together, and Alex tries to restrain himself with one of the interns ... but we swear, there will also be some lighter moments!

Sexy ones, from the looks of the promo for "Love the One You're With" below ...

For more on last night's emotional episode, follow the link for our Grey's Anatomy review, along with Shonda Rhimes' personal thoughts on Arizona and the storyline that has only begun for Jessica Capshaw.

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