T.C. discovers his sister-in-law's complicated history after he treats her for a fall down stairs; Jordan and Gwen tend to a boy who fell down a well; Ragosa must come clean to his daughter about his position at the hospital.

The episode was rated 7.73 from 422 votes.

When a Sheriff’s Deputy is critically injured, TC Callahan faces a personal challenge and struggles to do everything to save him, even calling in a cardiac specialist over the objections of his boss Michael Ragosa. Topher and Krista assist in the delicate surgery, while Jordan works to keep the peace and keep the ER running. Paul must attend to an elderly woman with a very challenging case. Kenny deals with an injured groom who has been hiding a secret from his bride. Meanwhile, Drew and Landry are faced with a 9-year-old boy who has suspicious injuries. While they initially suspect the mother, the truth is a little more complicated.

The episode was rated 7.73 from 601 votes.

Jordan and Krista rescue the victim of a motorcycle crash on a deserted rural road. Miles away from an ER, they improvise emergency medical care for the injured motorcyclist and rush him to the nearest operating room -- in a veterinary hospital. Back at the hospital, TC and Paul race to diagnose the cause of a teenager's life-threatening overeating condition while Topher treats a friend who is concealing a dangerous secret. Meanwhile, Drew shrinks from the media's eye as his heroic gunman takedown goes viral, but he gets a welcome surprise when Rick returns.

The episode was rated 7.72 from 385 votes.

The night shift is tested when a rancher accidentally shoots his wife. TC heads to a teen party to save the life of a young football star. Jordan and Kenny treat a beauty queen in severe distress. Topher makes a decision about his job.

The episode was rated 7.72 from 446 votes.

Shannon and Jordan venture out for some fun at a local wrestling event only to find themselves treating people onsite when a fight breaks out amongst the audience. Back at the hospital, Sam attends to a marathon runner who has collapsed from the heat and things start to heat up even more when the air conditioning breaks. Meanwhile, tensions between TC, Jordan, Sam, and Annie start to boil.

The episode was rated 7.71 from 235 votes.

TC and Paul are called to the chaotic scene of a nighttime hog-hunting excursion that has gone horribly wrong. One patient has lost a hand to a feral hog and another has been shot with an arrow through the chest. Topher deals with a resourceful 9-year-old girl who has come to the hospital on her own to seek treatment but soon realizes the case is far more complicated. Drew injures his hand during a MMA fight and enlists Krista to help him keep it a secret from Jordan. Ragosa seeks some family counseling from Landry and when Ragosa threatens to close down the staff hangout known as the "Tailgate," Landry helps him understand the benefits of a compromise.

The episode was rated 7.69 from 565 votes.

Paul, Ragosa and Kenny care for a quarantined patient exposed to radiation; TC, Drew, and Gwen race to the site of a multi-victim car cash; a former patient harasses Jordan; Joey pushes Krista to take her future into her own hands; Drew struggles with his recent breakup and TC gets an unwelcome surprise upon his return to the ER. ''Note: This episode and episode 6 aired out of order, resulting in some inconsistencies.''

The episode was rated 7.68 from 450 votes.

The emergency room is flooded with patients from an annual Alamo reenactment. TC, Jordan and Kenny deal with a critically wounded patient who is disoriented and suffering from amnesia. The patient is also wearing a bracelet indicating he declines medical treatment, putting Jordan in a professional bind with Ragosa. Meanwhile, Drew must keep a severely wounded soldier alive while being miles away from help. Back at the hospital, Ragosa helps himself to aspirin in Landry’s office but soon realizes he has taken something very different. Topher schedules a vasectomy operation and the staff can’t resist the temptation to tease him at every turn. Jordan’s long-distance boyfriend Scott, surprises her with a visit to the hospital.

The episode was rated 7.67 from 532 votes.

As a thick fog descends upon San Antonio, the doctors must improvise to save the victims of a car crash; Topher, Drew and Kenny treat siblings injured in the fog. ''Note: This episode and episode 5 aired out of order, resulting in some inconsistencies.''

The episode was rated 7.67 from 437 votes.

Welcome to the night shift at San Antonio Memorial, where those who work the Night Shift are a special breed. Every night is a balancing act between the heroic efforts to save lives and the hard truths of running a hospital. After a rough night, TC Callahan, a gifted ex-Army doctor, deals with a life-threatening situation on his way into work. TC’s current colleague and ex-girlfriend Jordan Alexander angles for the top job to run the night shift but she must convince their new boss Michael Ragosa that she has what it takes to bring order to the chaos. TC and Ragosa clash over hospital business matters - TC would do anything to save a patient while Ragosa has his eye on the bottom line. Later, TC and Topher are called to the scene of a nighttime crash and must deal with a dramatic injury that demands all of TC’s expertise. Back at the hospital, ER psychiatrist Dr. Landry De La Cruz consoles the brother of the wounded teen while TC performs an unusual and extremely risky surgery. TC later counsels Drew about a secret he is keeping but unbeknownst to the staff, Ragosa is hiding a secret of his own.

The episode was rated 7.56 from 755 votes.