Bash is divided between his work at the hospital and a patient he is helping to treat remotely in Syria. Dr. Bishop puts extra pressure on Bash, while Theo feels powerless when something happens to one of his daughters back home. Meanwhile, a patient puts Mags’ moral convictions to the test, and June tries to improve her social skills.

Bash does his best to celebrate Eid with his sister Amira, but she wishes they could continue the traditions they had back home. At the hospital, Bash has difficulty respecting a patient’s decision, while Mags tries to gather all the information they need to save a gunshot victim. Theo treats a teenage patient who wants to avoid telling his parents why he’s in the hospital.

Bash and Amira settle into a new environment, while at the hospital Bash helps a worried couple expecting their first child. Dr. Bishop puts Mags to the test by personally evaluating her performance in the emergency department. Meanwhile, Theo is surprised by his reaction in the face of an altercation, and Attending Dr. Wendy Atwater gives June an interesting case.

When an explosion takes place near the hospital, Bash runs toward the danger. Mags treats a patient without all the information she needs, and June struggles to take initiative. When a schoolgirl is brought into the hospital in cardiac arrest, Theo does everything he can to save her. Through all the chaos, Claire takes the time to help a teenage girl in need.

When a young mother addicted to opioids nearly dies, Bash must figure out whether she's using again, or if something else is causing her deadly symptoms. Mags tries to help a patient who isn't healing properly, while June is blindsided by her father.

A bus full of kids crashes and sends the team racing. Bash’s life is upended when he is reunited with a woman from his past. With Dr. Bishop still unconscious after his stroke, Mags struggles to find support in her mentor’s absence. Theo faces repercussions from his family after taking a full-time job away from home, and June has an important career decision to make.

Rania's arrival triggers unwanted memories for Bash; Mags can't win her new boss' approval.

A morbidity and mortality review forces Bash and Dr. Bishop into conflict.

As Dr. Bishop faces challenges returning to work, Bash's loyalty is tested; Mags has a harrowing encounter with an aggressive patient.

As shakeups force major turmoil at the hospital, Bash and Amira take a trip.

As Bash fights for Dr. Bishop's legacy, big questions about his own future are finally answered.

As Bash's future at the hospital hangs in the balance, he diagnoses a young patient with a rare disease that could have been prevented. Mags is faced with a case she cannot solve, as June tries to keep her personal life private. Meanwhile, Theo drives through the night to spend a day with his family in Sudbury.

Bash treats a man with a rare medical condition. Mags gets a visit from her parents and goes above and beyond for a pregnant woman with an undiagnosed condition. A misunderstanding with a rabies patient lands Theo in trouble. June and Novak negotiate a tentative working relationship. Devi starts to make changes.

Bash's decisions lead to conflict with the new chief of emergency medicine; Mags struggles to save a patient who thinks the system gave up on her; June has trouble with her new roommate, and gets a work proposal from Novak; Theo has trouble adapting.

Devi decides between Bash and Mags. Bash helps a young single father with nowhere else to turn. June and Novak take different approaches with a resident. Theo treats a teen patient with a connection close to home. Mags gets life altering news.

Bash and Amira have an argument over her future; Bash treats a diabetic woman who is overly dependent on her 18-year-old son; Mags questions herself as she adjusts to very limited parameters.

Bash faces an important figure from his past and must solve a public health crisis; hospital administration calls Devi's leadership into question; Mags doubts all of her choices; June is asked to oversee a sensitive procedure.

Bash has a major realization; Mags faces an overwhelming health crisis; Devi stands behind her choices; June confronts loss; Theo witnesses a devastating event.

Bash and Mags team up to save a John and Jane Doe found in the woods. A fully qualified surgeon now, June sees her old mentor in a new light. Suspended from the hospital, Theo longs for the action while treating patients virtually. Devi makes a budget cut decision, which will have major consequences for the Emergency Department.

Mags shares big personal news with her colleagues, which has an effect on Bash. June sees a patient with a specific phobia. Theo bumps against a protective family doctor while trying to help a returning young patient. Claire looks for help but finds Devi stretched thin.

Mags undergoes transplant surgery and copes with the aftermath aided by her family and Bash. Bash balances personal and professional stress. June confronts Novak's self-sabotaging behaviour. Theo navigates a visit from his father and thwarts Liz's attempt to meet his family.

Bash passes on an opportunity, and works cases where things are not as they appear. Mags returns to York Memorial. June navigates loss professionally and personally. Theo goes out on a limb again for a patient. Claire is confronted by Devi and her colleagues about recent challenges.

Bash treats a man injured in a car accident who was saved by the woman who hit him. Devi decides to fight to hold on to the department. In a moment where it is most needed, a former member of the York Memorial team returns.

June and Novak have it out. Theo risks his life for a patient and makes a big decision. Bash rises to the occasion during an emergency and sees how far he's come.

Bash jumps into a sinkhole to save a trapped pedestrian. Mags faces a difficult personal choice, while attempting to contain a potential outbreak in the Emergency Department. Theo does whatever it takes to help a boxer with severe chest pain. June connects with a volatile patient, overstepping Novak. Claire is having trouble adjusting after a past assault.