Caterina Scorsone to Guest Star on Grey's Anatomy

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As predicted, an all-Shepherd crossover is in the works at Shondaland.

Grey's Anatomy's Derek (Patrick Dempsey) and Private Practice's Amelia (Caterina Scorsone) will be repairing their relationship in the upcoming season of Grey's.

Caterina, who was just promoted to series regular on Private Practice, will appear in the third episode of Grey's this season, Shonda Rhimes confirmed to TV Guide.

The premise is simple: Amelia Shepherd goes to Seattle to reconcile with her brother, Derek. The two Shepherds have not been on speaking terms since Amelia turned to drugs while grieving the death of her father, who was shot and killed in front of her and Derek.

A Solemn Derek
Caterina Scorsone Pic

Derek and Amelia will reunite this fall.

"Family is family," Scorsone says. "Regardless of the strife and tension and drama between the family members, there's a connection that is so deep. Obviously Amelia has a lot of emotion surrounding Derek and that relationship and all the things they've been through together."

In an interesting twist, Amelia will be reluctant to head to Seattle to see her brother, though she'll get a supportive push from none other than Addison (Kate Walsh) to reconcile.

"There's a lot of unresolved emotions surrounding that whole relationship. Everyone can relate to that fear of confronting situations that may result in rejection," says Scorsone.

Grey's Anatomy and Private Practice both return Thursday, September 23. What are your thoughts on the Shepherds' relationship and the upcoming crossover? Discuss!

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


I don't like the idea of yet another crossover; I don't quite like Amelia mainly because in my opinion the writers are attempting to show that she is a better doctor than Derek ( for example in PP episode 3x19,IT WAS STATED THAT Derek said "no" to the surgery which eventually saved the patient's life).My theory( I hope that I am completely out of line) is that in the crossover, both of them will work on the same case and Amelia will come up with some amazing surgery which would portray her as the better doctor.I personally hate that idea because I would like to see more of Derek being a brilliant surgeon.We have seen how good Mark (he did a face transplant) and Addison are; the show has only once ( in Give Peace a Chance) focused on Derek's work; even in the clinical trial, they lost 12 patients before they could save one.
In season 5 we also got to see that he has lost a lot more patients than he has saved, which I didn't quite like, because I really wanted them to show that he is the best in his field, just like Mark and Addison are in theirs.I hope that in the crossover we would get to see Derek showing off his surgical skills in front of Amelia( I really don't like her; I found her annoying and somewhat whiny).


Kathleen sounds like the maternal sister, so I'd give Kathleen at least 6 kids all girls, the yet to be named sister, could have 5 kids (4 girls and a boy) and Nancy can have the triplets 3 boys. Easy done.


Amelia is the youngest Shepherd sibling. I always thought the birth order went Kathleen, Nancy, Derek, yet to be named, and Amelia. I also get the impression Amelia is single and has no children so the other 3 girls would have the children between them, it is possible for siblings to have 9 nieces and 5 nephews between them, work it that one of the sister's had twins, maybe Nancy because I couldn't see her having more or maybe give her triplets she is a OB/GYN maybe she had IVF treatment that resulted in triplets, one of the other girls could of had twins produced them naturally (in other words she gives birth to a girl and boy twin = 2 eggs = twins), maybe through in a few single birth's sister's could of been pregnant at the same time, so the cousins could all be around the same age. (it's possible I have cousins my age from both sides of my the family)


PS Thanks Meredith McDreamy too


Thanks anuflas (again) and Melody Stanley. I do hope we get to hear about all of Derek's sisters finally. I hope they put a name to the unknown sister. Considering Derek said he had four sisters in the second episode of GA I just find it amazing we still have only met Nancy and Der's mom very briefly. I kinda assumed (until Amelia appeared in PP )that with nine neices and five nephews that all Derek's sisters had children. Fourteen children between three sisters? No wonder Meredith (S5) was assuming Derek is wanting five chatty children who'll all have perfect hair! LOL


jude: I believe Derek said he was 13 when his father was murdered. I do not think Derek is the oldest. His birth order has not been stated but I got the impression that at least 2 of his sisters are older (Nancy and Kathleen) maybe because of them checking up on him (Kathleen sent Nancy) and being so protective and controlling. I think Nancy is supposed to be pretty close in age to Derek. There is another sister that nothing has been said about except that she is a doctor as well. She could be either older or younger than Derek. I assume Amelia is the youngest unless the mystery sister is younger.


@ Jude, I think Derek is the oldest child. I believe he said that when he told Meredith about his sisters.


jude, You're welcome! :) With the crazed timeline, I assume that at least a 7/10 year gap is between Derek and Amelia. Derek could've been 12/13 and Amelia 4/5. Given Derek's age, he can refer himself as a kid well into his teens. As for who's oldest? I think Nancy or Kathleen must be the eldest. I always picture Derek as the middle kid, but maybe we'll get some answers on the crossover.


Well, well, one is surprised LOL. We saw this coming a mile away the minute Amelia was introduced as Derek's sister. I sincerely hope that Caterina is a guest star and this is not a cross over in the tradition sense. Addison should not be involved at this point - it would be intrusive. Similarly, please spare us the medical expertise cross over. I really hope we get to understand, in detail, what happened to Derek and Amelia after their Dad was shot. Did they go to therapy? How did Derek cope? Why did Amelia turn to drugs? Did she have anyone to talk to? And so on and so forth. I also hope that Amelia bonds with Meredith. Derek has bonded with Meredith's support system so I hope Meredith is able to do the same with Derek's family. It would be nice to get a sense that their relationship is supported and enjoyed by Derek's family too especially since we don't know whether or not his mother knows he refers to Meredith as his wife. If done right, this can be a powerful, insightful episode. I really hope Meredith plays a role here and learns more about her husband than she has before.


anuflas and Team MerDer13 thanks for the info. Sounds like Meredith will have a lot in common with her sister-in-law. I'm just a bit curious as to how old Derek was when he witnessed his father's fatal shooting? Amelia was there too, but she must have been very, very young for Derek to say he was a kid when it happened. He is her older brother, but is Derek the oldest of the Shepherd children?

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