The Night Shift returns for season four. Jordan (Jill Flint) and Drew (Brendan Fehr) perform a daring rescue, jumping from a chopper. Landing at the nearest VA hospital, Jordan sparks a plan to appease Julian (James McDaniel) and reunite her night shift team. Back at the hospital, Paul (Robert Baily Jr.) deals with the repercussions of standing up to his father, while Scott (Scott Wolff)...

An amusement-park disaster results in mass-casualty victims flooding the hospital. Also, TC continues his quest to reunite with Syd; Drew reevaluates his priorities as a new father; Jordan tries to get Paul back on staff; Scott pursues a more active role in the hospital.

Jordan and Cain travel to the scene of an oil-field explosion and treat a patient with extreme injuries. Also, Drew and Paul try to save a patient's severed hand; Scott encounters a person from his past; and TC tries to help a sick Syrian child.

TC steps up to save a seal commander in jeopardy. Jordan gets creative to help a veteran in need. When a patient from a distant town journeys to Sam for surgery, Scott (Scott Wolf) commits to helping her against all odds. Jordan (Jill Flint) and Cain (Mark Consuelos) help a wounded veteran come to terms with a diagnosis he doesn’t believe he has. Meanwhile, Drew (Brendan Fehr) struggles with...

Drew faces an extreme emergency when passengers become sickened mid-flight – special guest Akbar Gbajabiamila (American Ninja Warrior) stops by for an obstacle course fundraiser. Drew (Brendan Fehr), his mom (guest star Becky Ann Baker), and Rick’s (guest star Luke MacFarlane) flight home turns into a medical crisis at 35,000 feet. Jordan (Jill Flint), Paul (Robert Bailey Jr.), Shannon (Tanaya...

Kenny tries out MMA and soon finds himself in the fight of his life – the night shift treats special victims from a hotel fire. Kenny (JR Lemon) joins Drew (Brendan Fehr) at his MMA veteran's support group and finds himself in the fight of his life. Jordan (Jill Flint) and Cain (recurring guest star Mark Consuelos) treat casualties from a hotel fire while Shannon (Tanaya Beatty) follows a...

San Antonio Memorial has a busy night full of veteran patients in need - When protestors descend on a funeral for a dear member of the night shift family, multiple veterans are...

A cyber attack creates chaos in the hospital. Meanwhile, Drew draws on his medical and military training to treat a critical patient, and TC joins on a SWAT drug raid. Also: TC contemplates returning to Syria to tie up loose ends.

TC and Jordan accompany a SWAT team on a raid and wind up with an emergency room full of sickened immigrants, including one with murderous intentions; and Scott pulls a dream team together to impress the Colonel in charge of setting up a combat training program. In other events, more is learned about Cain's past; Kenny shares some big news with the group; and Shannon keeps something personal...

A massive campus shooting outs the night shift crew in harm’s way – Drew and Shannon struggle with plans for the future – A shooting at a nearby college sends TC (Eoin Macken), Jordan...