The Pearsons gather around Rebecca's bedside.

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

The Big Three come to new understandings about life.

Miguel over the years.

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

The Big Three makes a plan for Rebecca.

The Big Three reconnect at the family cabin.

The Pearsons gather to celebrate Baby Jack's first birthday.

The entire Pearson family gathers at Randall's for an unusual party. Kevin and Sophie's relationship deepens on the night of his play's premiere. Kate struggles to open up to Toby about her father's death. Tensions are high between Jack and Rebecca as she leaves on tour with her band.

The Pearson family gathers for their first Thanksgiving at Randall's Philadelphia townhouse.

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

The night before Kate's wedding, Kevin's love life takes an unexpected turn.

Kevin helps Randall and Beth with a project. Kate contemplates a big gift for Toby. Jack and Rebecca talk about their future.

As their paths cross and their life stories intertwine in curious ways, we find that several of them share the same birthday and so much more than anyone would expect.

The Pearsons navigate huge family milestones together, from a distance.

Rebecca helps Kate and Toby care for baby Jack. Zoe and Kevin look after Tess and Annie. Randall and Beth consider how to move forward.

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

As Jack, Rebecca and the three kids make their way to Rebecca's parents' house for their traditional Thanksgiving holiday, an unforeseen detour occurs. Kate makes two drastic life-changing decisions. Kevin brings Olivia to Randall's house for Thanksgiving. Randall's heart is broken when he learns about a lifelong secret his mother has kept from him.

The Pearsons come together to celebrate Kate and Toby's wedding. Wedding planners Kevin and Randall struggle to pull off the big day. Kate is flooded with memories of Jack. Deja struggles to adjust to her new living situation.

Jack and Rebecca get in over their heads when they decide to throw Kate, Kevin and Randall three separate parties for their 10th birthday. Randall struggles to make time for William as things intensify at the office. Kevin makes a major decision in his romantic life. Kate's gastric bypass journey takes an unexpected turn.

Kate, Kevin and Randall head to their family's cabin to get away after their chaotic family Thanksgiving. A very angry Randall finds comfort and explanation from his father, Jack. Olivia speaks a harsh truth to Kate, which drives a wedge between Kate and Kevin. Rebecca and Jack struggle with what to do when 9-year-old Randall tells them that he's been looking for his birth parents.

The Pearsons gather for Kate's wedding.

The family gathers for Kevin and Madison's wedding.

As Kevin stresses about the premiere of his play, he receives support from an unexpected source. Randall struggles under the pressure of both his work and ailing father. Rebecca and Jack's Valentine's Day doesn't go as planned. Toby and Kate decide to dig deep and get to know each other's biggest secrets.

Rebecca and the Big Three reckon with secrets Jack kept from them. Jack's Vietnam story continues to be revealed.

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.

Kate struggles with her feelings in the aftermath of Toby's heart attack. As William begins to spend more time with Jesse, Randall has to get used to his father's new relationship. After receiving the news they're expecting triplets, Jack and Rebecca must find a way to afford a home that can accommodate three babies. Olivia unexpectedly resurfaces, throwing both Kevin and Sloane for a loop.

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.

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

Kevin and Madison get an unexpected guest.

Jack meets Rebecca's parents. New characters are introduced.

Kate and Toby's relationship evolves over a few years.

A young Jack makes a decision that will impact the course of his life.

Kevin and Madison navigate their engagement as Kate and Toby take a big step in their adoption journey. Jack and Rebecca brace for puberty.

Kevin and Madison partake in their respective bachelor and bachelorette parties.

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

Tensions run high as the Pearsons await news about Kate's pregnancy.

Kevin takes the twins to the cabin in hopes of proving himself as a father.

Beth navigates her career path. Kate and Toby face unexpected issues. A run in with someone from his past gives Kevin pause.

Kate visits Toby.

Kevin attempts to help Nicky. Randall and Kate reflect on differing memories of their childhood.

Jack and Miguel bond. Kevin and Madison navigate challenges. Randall seeks out a new kind of support network.

The Pearsons gather to celebrate their 40th birthday while musing about the day they were born.

A series of car rides propels the Pearson's towards new stages of their lives.

The Pearson family comes together to support Kevin at his movie premiere. The teenage Big Three confront college decisions in the wake of Jack's death. Kate and Toby start IVF.

Kevin keeps a secret from Zoe. Randall gets unexpected news about Deja. In the past, the Big Three graduate from High School.

Kate goes wedding dress shopping. Kevin embraces a new lifestyle while Randall explores William's past. Jack and Rebecca take the kids to the mall.

Kevin and Zoe land in Vietnam. In the past, Jack and Rebecca take a road trip to Los Angeles. Jack's war story continues to be revealed.

Kevin visits Randall in Philadelphia.

Beth prepares her dancers for the first big dance recital at her new job.

Kate and Toby try to keep busy while waiting for big news. Randall embarks on a new journey. Kevin meets someone from his father's past.

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

Randall reflects on what could have been.

Randall and Beth adjust to a new family dynamic. Kate books her first big gig. Kevin suffers a setback on his movie. Jack and Rebecca are visited by an unwelcome guest.

The dynamic of Randall and Kevin's rocky relationship is explained. Beth and William spend time together, which unexpectedly brings to light a secret William has been keeping. As Rebecca gets back to work for the first time in years, both she and Jack acknowledge that there is distance between them. Toby is caught straying from his diet regimen, throwing Kate into crisis.

Beth and Randall adjust to their new normal. Kate and Toby spend time with baby Jack. Zoe and Kevin work on their relationship.

Kate and Toby go to Las Vegas for their bachelor/bachelorette parties. Meanwhile, Jack and Rebecca celebrate their wedding anniversary.

A history of Beth and Randall through the ages.

Kevin reflects on his past. Rebecca visits Randall at college. Beth's mom comes to visit. Kate and Toby share new experiences with Baby Jack.

Kate struggles with Toby's depression. Randall makes time for Kevin, who obsesses about Jack's past.

Beth navigates qualms with her mother. Kevin and Kate bring their families together for dinner.

Kate and Toby try to make time for their marriage. Jack attempts to prove himself to Rebecca's father. Randall struggles to find his place with the other councilmen.

Beth's trip home to care for her mother sparks an unexpected realization.

Jack's legacy impacts his adult children's lives in meaningful ways, as Kate undergoes a medical procedure, Kevin begins a search to discover his father's past and Randall makes a big decision. Rebecca makes the most important choice of her life.