Summary
Grey’s Anatomyseason 21 has confirmed the return of an original character on the show, who previously left the medical drama 17 years ago.Grey’s Anatomyseason 21is shaping up to be a game-changer for many of the core characters, with a multitude of attendings fired by Catherine Fox and Meredith Grey making her Alzheimer’s research public behind everyone’s back. Because of how unpredictable the next batch of episodes is going to be, anything could happen, from new characters showing up to old faces returning after a long time away.
Now,Deadlinehas confirmed thatKali Rocha will return as Sydney Heron inGrey’s Anatomyseason 21, following a 17-year absence from the medical drama. The actor previously portrayed Sydney in a recurring role from seasons 2 through 4, making her last appearance in season 4, episode 8, which aired in 2007. The often-positive doctor will be coming back for three episodes in the new season, revealing what she’s been up to for over a decade and a half.

What Sydney’s Return Means For Grey’s Anatomy Season 21
Could More Returnees Be On The Horizon?
Sydney made an impression during the few episodes she appeared in,with a friendly attitude that has led to both positive and negative responses to her character.Her upcoming appearance continues a recent trend ofGrey’s Anatomycharacters who exitedreturning after many years, the latest of which was Arizona Robbins (Jessica Capshaw) in season 20. The fact characters like season 21’s returnee are coming back after such a long time away also opens the door for potentially more old faces popping back up in later episodes of the show.
However, since the ending ofGrey’s Anatomyseason 20didn’t offer any direct hints about anybody coming back, it’s unclear who could wind up making a surprise appearance in a later portion of the upcoming episodes.Syndey’s guest appearance is small, leaving room for potentially other veterans of the serieslike Alex Karev (Justin Chambers), Preston Burke (Isaiah Washington), or even Callie Torres (Sara Ramirez). While there’s no concrete proof more guests are coming, the newest returnee could be testing the waters for even more surprise appearances.

Grey’s Anatomy Season 21’s Return Tease Is Good News After Station 19’s Cancellation
Station 19 ending made one character’s return possible but teases about the challenges ahead for him make his Grey’s Anatomy story more interesting.
As for Sydney herself, it’s unclear what her role in the story of season 21 will be, and how much her coming back will effect the team currently present. Many of the characters current onGrey’s Anatomyhave never met her before, likely leading to some interesting interactions that will likely prove worth waiting for her to come back after so long. With plenty of mystery in store for her comeback, it appears the next season of the show will be very unpredictable for who might be showing up in the future.

Grey’s Anatomyseason 21 premieres on Monday, September 26 at 10 p.m. ET on ABC.
Grey’s Anatomy
Cast
Grey’s Anatomy is a medical drama series revolving around surgical interns, residents, and attendings at the fictional Grey Sloan Memorial Hospital. The show features the professional and personal lives of these medical professionals, led initially by Dr. Meredith Grey, played by Ellen Pompeo. Created by Shonda Rhimes, the series highlights the complexities of medical cases while delving into the interpersonal relationships among the hospital staff.