GREY’S ANATOMY - “Wasn’t Expecting That” – The attending surgeons and interns work together to solve a medical mystery when a college kid comes in with what first looks like food poisoning but has escalating and dire complications. Meanwhile, Jo spends her day off with Bailey on a new episode of “Grey’s Anatomy,” THURSDAY, OCT. 13 (9:00-10:01 p.m. EDT), on ABC. (ABC/Liliane Lathan)ADELAIDE KANE

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 - “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 - “Stronger Than Hate” – A dinner party is thrown at the sister house in Nick’s honor. Meanwhile, Grey Sloan Memorial receives a victim of a brutal hate crime on a new episode of “Grey’s Anatomy,” THURSDAY, MAY 19 (9:00-10:01 p.m. EDT), on ABC. (ABC/Liliane Lathan)DEBBIE ALLEN, JAMES PICKENS JR.

GREY’S ANATOMY - “I’ll Cover You” – A former patient of Link’s, Simon, is in the ER with his pregnant wife; and Bailey receives an offer from Nick on a new episode of “Grey’s Anatomy,” THURSDAY, MAY 12 (9:00-10:01 p.m. EDT), on ABC. (ABC/Liliane Lathan)CHANDRA WILSON, SCOTT SPEEDMAN

GREY’S ANATOMY - “Put It to the Test” – Bailey is on edge when an accreditation council stops by Grey Sloan to review the residency program, while Richard sets an assessment of his own for the same day. Meanwhile, Nick returns to Seattle to perform a first-of-its-kind operation with Meredith when “Grey’s Anatomy” airs THURSDAY, APRIL 7 (9:00-10:01 p.m. EDT), on ABC. (ABC/Liliane Lathan)ANTHONY HILL, CATERINA SCORSONE, CHRIS CARMACK

GREY’S ANATOMY - “Road Trippin’” – Tensions at Grey Sloan Memorial rise as the effects of the physician shortage begin to show. Meanwhile, Meredith struggles to step away from work as she spends a sick day at home with Zola, and the hospital receives an unexpected visitor on a new episode of “Grey’s Anatomy,” THURSDAY, MARCH 31 (9:00-10:01 p.m. EDT), on ABC. (ABC/Liliane Lathan)CHANDRA WILSON

GREY’S ANATOMY - “Put the Squeeze on Me” – While Richard ponders his surgical abilities, Jo is charmed by her patient’s brother. Elsewhere, Megan makes sure Teddy and Owen talk out their differences, and a pet python causes an uproar when “Grey’s Anatomy” airs THURSDAY, MARCH 24 (9:00-10:01 p.m. EDT), on ABC. (ABC/Steven Baffo)CHRIS CARMACK

GREY’S ANATOMY - “The Makings of You” – Nick whisks Meredith away to his Minnesota cabin for a romantic weekend, leaving Winston and Maggie to care for Meredith’s children. Meanwhile, Amelia and Kai grow closer on a new episode of “Grey’s Anatomy,” THURSDAY, MARCH 17 (9:00-10:01 p.m. EDT), on ABC. (ABC/Liliane Lathan)GREY'S ANATOMY

GREY’S ANATOMY - “Legacy” – While Meredith, Amelia and the team prepare for Dr. Hamilton’s long-awaited, groundbreaking surgery, Bailey receives an unexpected offer. Owen’s impatience makes him a difficult physical therapy patient, forcing Link to intervene. In Minnesota, Nick makes a liver transplant a teaching moment when “Grey’s Anatomy” airs THURSDAY, MARCH 10 (9:00-10:01 p.m. EST), on ABC. (ABC/Liliane Lathan)GREY'S ANATOMY

GREY’S ANATOMY - “Living in a House Divided” – Schmitt must face the Morbidity and Mortality conference. Meanwhile, Meredith convinces Nick to scrub in on a surgery in Seattle, and Jo faces her feelings on a new episode of “Grey’s Anatomy,” THURSDAY, MARCH 3 (9:00-10:01 p.m. EST), on ABC. (ABC/Liliane Lathan)RICHARD FLOOD

GREY’S ANATOMY - “Every Day Is a Holiday (With You)” – It’s Thanksgiving and while Meredith faces travel complications due to the weather, Nick steps in to help in more ways than one. Meanwhile, Richard and Bailey seek out emergency surgeries, and Amelia and Link reconnect on “Grey’s Anatomy,” airing THURSDAY, NOV. 18 (9:00-10:01 p.m. EST), on ABC. (ABC/John Fleenor)GREY'S ANATOMY

GREY’S ANATOMY - “Bottle Up and Explode!” – The Grey Sloan doctors spring into action after an explosion rocks Seattle, with the incoming trauma hitting close to home. Owen experiences PTSD after he hears the explosion, while his sister Megan enlists help from Winston and Hayes in confidence. In Minnesota, Meredith and Amelia meet up with a familiar face who assists in their study on an all-new episode of “Grey’s Anatomy,” THURSDAY, NOV. 11 (9:00-10:01 p.m. EST), on ABC. (ABC/Bonnie Osborne)CAMILLA LUDDINGTON

GREY’S ANATOMY - “Hotter Than Hell” – Seattle’s favorite redhead returns and graces the Grey Sloan halls with her experience and expertise as she attempts to help Richard teach the newest crop of residents. Meanwhile, Meredith has a decision to make, and Link confides in Teddy on an all-new episode of “Grey’s Anatomy,” THURSDAY, OCT. 14 (9:00-10:01 p.m. EDT), on ABC. (ABC/Eric McCandless)ELLEN POMPEO, KATE WALSH