GREY’S ANATOMY - “Everything has Changed” – After a long six months, Grey Sloan Memorial has reinstated its residency program. A group of talented and striving young interns has been recruited as the attending surgeons work to rebuild the program to its former glory. Meredith, still functioning as the interim chief, sees Nick for the first time since she rejected his offer to move to Minnesota. Meanwhile, Bailey tells Richard she is not ready to return to work; Levi works up the courage to break disappointing news to Jo, and things turn awkward when Link realizes he has met one of the interns already. With Amelia and Maggie’s help, the new doctors are thrown into their first day on the job dealing with injuries from a recent tornado on the season 19 premiere of “Grey’s Anatomy,” THURSDAY, OCT. 6 (9:00-10:01 p.m. EDT), on ABC. (ABC/Liliane Lathan)ALEXIS FLOYD, JAMES PICKENS JR.

GREY'S ANATOMY - "Back in the Saddle" - The Grey Sloan doctors operate on a man who crashed into Maggie's car as Owen, back from paternity leave, struggles with Tom's new position. Outside the hospital, Meredith's recent firing doesn't stop her from diagnosing those around her. Plus, Richard and Alex start anew and it's not easy. All the while, Jo readies herself to return to work, and Amelia has a new revelation in her relationship with Link, on an all-new episode of "Grey's Anatomy," THURSDAY, OCT. 3 (8:00-9:01 p.m. EDT), on ABC. (ABC/Jessica Brooks) CHANDRA WILSON, GIACOMO GIANNIOTTI

GREY'S ANATOMY - "Jump into the Fog" - As fog begins to cover Seattle, the doctors of Grey Sloan navigate through personal complications. Meredith and Alex attempt to save Gus, while Levi talks some sense into a struggling Nico, on the season finale of "Grey's Anatomy," THURSDAY, MAY 16 (8:00-9:01 p.m. EDT), on The ABC Television Network. (ABC/Tony Rivetti) ELLEN POMPEO, JUSTIN CHAMBERS

GREY'S ANATOMY - "Drawn to the Blood" - Alex tries desperately to save his patient Gus while he waits for a severely agoraphobic blood donor to arrive from London. Jo reveals to Meredith why she's been so down, while Catherine and Bailey hold a meeting to get down to the bottom of an insurance issue. Meanwhile, Maggie and Jackson go camping on "Grey's Anatomy," THURSDAY, MAY 9 (8:00-9:01 p.m. EDT), on The ABC Television Network. (ABC/Jessica Brooks) JAICY ELLIOT, GIACOMO GIANNIOTTI, CAMILLA LUDDINGTON, ELLEN POMPEO

GREY'S ANATOMY - Worlds will collide in Seattle once again, as ABC is set to air a TGIT crossover event on Thursday, May 2, featuring all-new episodes of "Grey's Anatomy" and "Station 19" from 8:00-10:00 p.m. EDT. The TGIT crossover event kicks off with an all-new episode of "Grey's Anatomy," entitled "What I Did for Love," where Maggie treats one of Station 19's own, and Jo learns a hard lesson. Meanwhile, when working with a family seeking asylum, Meredith makes a call that could jeopardize her career on "Grey's Anatomy," THURSDAY, MAY 2 (8:00-9:01 p.m. EDT), on The ABC Television Network. (ABC/Scott Everett White) JAKE BORELLI, JAINA LEE ORTIZ, JASON GEORGE, BORIS KODJOE

GREY'S ANATOMY - "Head Over High Heels" - Meredith debates how to handle an unexpected situation in her personal life, while Richard has an untimely reunion with an old friend. Jo has a hard time at work, and Owen tries therapy, on "Grey's Anatomy," THURSDAY, APRIL 18 (8:00-9:01 p.m. EDT), on The ABC Television Network. (ABC/Jessica Brooks) ELLEN POMPEO

GREY'S ANATOMY - "Good Shepherd" - Amelia and Link travel to New York to operate on a patient with a severe spinal deformity, but they're in for more than they bargained for when Nancy Shepherd invites them to dinner at her home on "Grey's Anatomy," THURSDAY, APRIL 11 (8:00-9:01 p.m. EDT), on The ABC Television Network. (ABC/Mitch Haaseth) AMY ACKER, EMBETH DAVIDTZ

GREY'S ANATOMY - "The Whole Package" - Owen and Teddy have to deal with the surprise arrival of Megan Hunt, who knows nothing about their situation. Catherine preps for her first surgery back on a war veteran who's not emotionally prepared for his procedure. Meredith worries about DeLuca operating alone with Richard on "Grey's Anatomy," THURSDAY, APRIL 4 (8:00-9:01 p.m. EDT), on The ABC Television Network. (ABC/Mitch Haaseth) ABIGAIL SPENCER, DEBBIE ALLEN, KEVIN MCKIDD, JESSE WILLIAMS, ELLEN POMPEO

GREY'S ANATOMY - "Silent All These Years" - When a trauma patient arrives at Grey Sloan, it forces Jo to confront her past. Meanwhile, Bailey and Ben have to talk to Tuck about dating on "Grey's Anatomy," THURSDAY, MARCH 28 (8:00-9:01 p.m. EDT), on The ABC Television Network. (ABC/Eric McCandless) MICHELLE FORBES

GREY'S ANATOMY - "Add It Up" - Maggie introduces mood rooms as an alternative approach to medicine. Alex and DeLuca butt heads over an 11-year-old patient who tries to sabotage her own surgery. Jackson and Richard deal with a gender non-binary patient. Meanwhile, Teddy has a pregnancy scare that brings Owen and Koracick to odds on "Grey's Anatomy," THURSDAY, MARCH 21 (8:00-9:01 p.m. EDT), on The ABC Television Network. (ABC/Eric McCandless) JUSTIN CHAMBERS, ELLEN POMPEO

GREY'S ANATOMY - "And Dream of Sheep" - Ties are strained as Andrew and Carina confront an unforgiving family history. Meanwhile, Teddy and Owen work together on a married couple who is expecting, and Amelia attends a conference for alternative pain relief, on "Grey's Anatomy," THURSDAY, MARCH 14 (8:00-9:01 p.m. EDT), on The ABC Television Network. (ABC/Mitch Haaseth) ELLEN POMPEO

GREY'S ANATOMY - "Blood and Water" - Meredith finds herself having to side with either Alex or DeLuca during a difficult situation, but she doesn't want to betray either of them. Meanwhile, Maggie reveals details about her personal life that cause a public stir, and Levi struggles with whether or not to tell his family about Nico, on "Grey's Anatomy," THURSDAY, MARCH 7 (8:00-9:01 p.m. EST), on The ABC Television Network. (ABC/Eric McCandless) GIACOMO GIANNIOTTI, ELLEN POMPEO

GREY'S ANATOMY - "We Didn't Start the Fire" - When Jackson throws a party to celebrate Catherine's surgery and those who worked to save her, literally nothing goes as planned. Meanwhile, Helen pays Alex and Jo a surprise visit on a record-breaking episode of "Grey's Anatomy," THURSDAY, FEB. 28 (8:00-9:01 p.m. EST), on The ABC Television Network. (ABC/Eric McCandless) ELLEN POMPEO, GIACOMO GIANNIOTTI

GREY'S ANATOMY - "I Want a New Drug" - While Meredith breaks a hospital record, the rest of the doctors are sent scrambling in the wake of a massive overdose within the community. Meanwhile, Jackson wants to take a reluctant Maggie camping, and Levi and Nico's relationship continues to develop, on "Grey's Anatomy," THURSDAY, FEB. 21 (8:00-9:01 p.m. EST), on The ABC Television Network. (ABC/Mitch Haaseth) KIM RAVER, JAMES PICKENS JR.