When does Season 21 of 'Grey's Anatomy' release on Netflix? Date, cast, more

"Grey's Anatomy" is not done yet, at least not on streaming.After a successful run on ABC, Season 21 of the longest-running primetime medical drama will be dropping on Netflix this weekend.Season 21 of "Grey's Anatomy" picks up after a messy Season 20 finale, in which the inner turmoil between the staff at Grey Sloan Memorial Hospital is just ramping up. Catherine Fox (Debbie Allen) continues to vex her staff after Meredith Grey (Ellen Pompeo) quit to pursue her Alzheimer's disease research against orders. Meanwhile, Amelia Shepherd (Caterina Scorsone), Owen Hunt (Kevin McKidd) and Chief of Surgery Teddy Altman (Kim Raver) also realized their staff cards had been deactivated for their complicity in the secret research trial.Season 21 will also follow up on Richard Webber's (James Pickens Jr.) decision to retire, Jo Wilson (Camila Ludington) finding out she's pregnant and the consequences of the interns standing up for Lucas Adams (Niko Terho), who may have to repeat his first year of r...