When Ron hexes the day to prove superstitions aren't real, things at the hospital start getting weird. Joyce and Matt discover an employee's secret.

Alex accidentally provokes the Emergency Department's mean girls. Ron and Serena battle over parking etiquette. Bruce has a hard time letting go of the spotlight.

Ron and Bruce butt heads over a candy bar. Alex is forced to fire an incompetent employee. Matt seeks appreciation for saving a patient's life.

Joyce asks Alex to be the executor of her estate; Matt and Serena are forced to keep watch over a bickering family; Bruce grapples with unexpected DNA test results.

An emotional support animal is loose in the halls of St. Denis; Alex goes big for Serena's birthday to mixed results.

When a famous musician's performance at the hospital is delayed, Joyce throws an impromptu talent show with the St. Denis staff; Alex attempts to connect with her daughter, Ella.

Joyce launces a women's health initiative to unexpected results; Ron treats a patient who has all the answers; Bruce has an existential crisis.

Bruce and Alex give conflicting medical advice to a young athlete; Joyce competes with Tiger Woods in her alumni magazine; Matt and Serena (almost) drop an unconscious patient.

Ron's teasing makes Joyce question whether her friendship with a pharmaceutical rep is genuine; Alex has trouble letting Serena take on a new task; Matt finds a mentor in Bruce.

At the annual fundraiser, Alex and her husband, Tim, try to have a wild, kid-free night; Ron and Joyce butt heads over hosting duties; Bruce sets out to win this year's "Dancing with the Caregivers" competition.