Grey’s Anatomy
Kate Walsh is returningas Dr. Addison Montgomery ( formerly Montgomery - Shepherd ) inGrey ’s Anatomyseason 18 , but why did the character give in the first home ? Walsh made her debut in the show ’s season 1 finale as a neonatal surgeon and Derek Shepherd ’s married woman . Created by Shonda Rhimes , Grey ’s Anatomydebuted on ABC and is one of the longest - campaign aesculapian drama ’s in television history . Due to Walsh ’s popularity , the star went on to fiddle the lead lineament inGrey ’s Anatomy’sfirst spin - off , Private Practice .
Walsh will reprise her role as Addison Montgomery in a multiple - sequence arc . However , her storyline has yet to be reveal . Walsh leftGrey ’s Anatomyin season 3 for her own aesculapian dramatic event , Private Practice . There Addison continued to work as a neonatal operating surgeon and welcomed the drama move to Los Angeles play . This included a tight - knit friendship with Amelia Shepherd ( Caterina Scorsone ) , Derek ’s sister , who started off on thespin - off before channelize over toGrey ’s Anatomy . finally , Walsh decided to departPrivate Practice , resulting in the show ending with season 6 . Walsh ’s last coming into court onGrey ’s Anatomywas for an episode back in season 8 entitled " If / Then . " Since then , she ’s atomic number 27 - star in three Netflix serial : The Umbrella Academy , Emily in Paris , and13 Reasons Why .
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Walsh is just one of the intimate faces thatGrey ’s Anatomyhas latterly brought back . Season 17 ascertain the return of buff - best-loved characters such as Derek Shepherd ( Patrick Dempsey ) and George O’Malley ( T.R. Knight ) while Meredith Grey ( Ellen Pompeo ) was battling COVID . Kate Burton , who playedMeredith ’s female parent Ellis Grey , also retort in the first sequence of season 18 and is apparently book in for multiple episode . Undeniably , Addison has a history with Meredith , but the reference she has the closest ties is in reality Amelia . When Walsh bowed out ofPrivate Practicein 2013 , she had said she feel Addison ’s journeying was pure . Still , this leave to an exciting fan theory ( viaReddit ) , speculating that Addison will return because Amelia ’s battle with substance ill-treatment will be work back to the forefront in season 18 .
During Amelia ’s fourth dimension onPrivate Practice , she struggled with multiple addictions , first alcoholism before flip to lozenge , and finally heroin . The devotee possibility is thatAmelia rejected Link ’s recent marriage proposalbecause she was pop off to relapse . This could be a possibility because while Amelia has n’t relapsed in a recent episode , she struggled due to the pandemic . It may also be the reason for Addison ’s return , as the character was close to her former sister - in - jurisprudence and share that attachment that went beyond family obligation . Addison could help Amelia through her lapse and direct her back to sombreness .
fan have long marvel what Addison has been up to in theGrey ’s Anatomyuniverse . Since her leaving , Addison has been refer once during season 11 , installment 5 , entitled " Bend & Break . " The reference occurred during a brief conversation between Amelia and Nicole Herman ( Geena Davis ) on how Addison enjoyed motherhood . It ’s worth noting that this was the first mention of Addison sinceGrey ’s Anatomyseason 8 , and it ’s linked to Amelia suggesting the duad keep in touch and still have a close human relationship . Addison has not been remark on the show since , and her absence seizure was specially felt with Derek ’s decease , and even then , her cause to return to Seattle lay with Amelia .
While it stick out to be take care why Addison decided to give to the halls of Grey Sloan Memorial Hospital , her relationship with Amelia is one of the longest - persist relationships inGrey ’s Anatomyhistory that spans the original show and the spin - off . The family relationship between the two woman is warm , and if anyone can help Amelia through a relapse inGrey ’s Anatomy , it ’s Addison .
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