The Pearson family finds themselves at the hospital on Christmas Eve after little Kate comes down with appendicitis. When they run into Dr. Katowski, who is alone at the hospital, they realize they need to be there for him as much as he was once there for them. Presently, Kevin celebrates Hanukkah with Olivia and her family, Kate continues to pursue her big surgery and someone from William's past reappears in his life.

As the birth date of her triplets quickly approaches, a frazzled and emotional Rebecca forgets Jack's birthday. Dr. Katowski struggles with the loss of his wife and wonders how he'll be able to continue on with his life without her. Joe, the firefighter who delivered baby Randall to the hospital, fights to save his marriage.

Toby throws a wrench in Kate's weight loss journey. Randall struggles to accept his father's deteriorating health. Miguel and Shelly break some devastating news to Jack and Rebecca, which makes them worry about their own relationship. Rebecca receives an amazing work opportunity. Kevin examines his romantic past.

Randall and William take a road trip to Memphis, where Randall learns about his biological father's past.

Jack heads to Cleveland to make things right with Rebecca on the night of her first big gig with the band. Randall, Kate and Kevin make big decisions about their futures.

It's the Big Three's 37th birthdays. Randall and Beth debate a big life change, Kate takes the first step in pursuing a new passion, and Kevin balances the demands of his career and relationship. Meanwhile, Jack and Rebecca deal with the fallout of their big fight.

Kate visits Kevin on the set of his movie. Randall and Beth get exciting news. Rebecca tries to reconnect with Jack.

Kate surprises Toby at work. Kevin and Randall attend a charity fundraiser for Sophie's hospital. Jack takes the boys on a camping trip, leaving Rebecca to deal with some unexpected news.

Kevin goes back to his high school to accept an award. Jack and Rebecca get excited about their kids' futures.

Kate and Toby's lives take an unexpected turn. Meanwhile, Rebecca encourages Kate's singing aspirations.

The Pearsons come together under unexpected circumstances. Meanwhile, Jack surprises the family with a summer vacation.

Randall hosts a Super Bowl party while Kevin and Kate reconnect with the past.

Rebecca finds solace with an old friend as the Pearsons struggle to cope with tragedy. Jack teaches Kevin and Randall to drive.

Deja's life with her mom, Shauna, and great grandmother Joyce unfolds from the very beginning. Randall and Beth welcome visitors to their home.