Holly and Rodney prepare for their twins' big 20th birthday party, but getting the whole family under the same roof will be tricky. Between all the party planning and parenting their other two teenagers, Holly and Rodney start to realize their kids are growing up fast. Are they really ready for their nest to be empty?
Holly heeds Ryan's call and plan's a spontaneous trip with Dolores to visit Ryan in New York City. While the ladies are there they also start the hunt for Dolores long lost half-sister. Back in Los Angeles, Rodney's school of etiquette is in session and the boys might not pass with flying colors.
Despite landing her dream job filming a movie in Vancouver, Holly s overwhelming mom guilt for being away from her family prevents her from enjoying the experience; Rodney and the boys embark on thrilling outdoor adventures in Canada; the Peete s offer hope and inspiration to families impacted by autism.
Rodney tells Robinson he can redecorate his bedroom if he earns it, but Holly would rather gift it to him; Holly is asked to present her mother with a special award, but tensions mount when Dolores disagrees with her; Rodney plans a special surprise for Holly so the two can re-connect.
While talking to Robinson about his upcoming school dance, Holly realizes RJ missed out on this quintessential social milestone and she sets out to give him the experience he deserves. Dolores continues her search for her long-lost half-sister and comes closer than ever before. And, Robinson enlists an unlikely family member to help him ask a girl to the dance.
RJ decides to move into the guesthouse for the weekend to see what life is like on his own; Dolores heads to Palm Springs looking for a new adventure; Roman gets motivated to do some charity work.
Holly begins construction on a pre-vocational training center for young people on the spectrum; Dolores prepares for her new life in Palm Springs; Rodney takes on a juice cleanse and a golf lesson.
Holly helps mentor a group of girls, by speaking on a panel and answering questions about bullying, school and making goals for the future, and is lucky enough to have the help of a few celebrity guests.
Holly channels her inner "momager" to help Ryan prepare for her first L.A. performance, but her big night doesn't go as planned when Ryan's nerves get the best of her. After witnessing Dolores fall in the pool, Holly is on a mission to get her mother to wear a medical alert necklace. With a family history of Parkinson's Disease, Holly has been fearing a diagnosis ever since her brother learned he had the disease. Against her family's wishes, Holly decides to take a DNA test to find out if she's predisposed to Parkinson's Disease.
Holly has spearheaded a partnership with American Airlines and their "It's Cool to Fly American" program, which helps kids and families with autism experience a simulated flight. This program aims to help kids and families walk through TSA, board a plane and taxi around the airport to help prepare families for future flights. Through this process we learn how difficult it was for R.J. to fly as a child and the toll it takes on many families dealing with autism. Meanwhile, Dolores is making her move to Palm Springs and Roman, wanting to send Dolores out in style, takes it upon himself to plan a "Good-Bye Gorgeous" week filled with adventure and fun.
The Peete family moved and Holly wants to throw a housewarming party. Ryan is home for the summer and feels unprepared for her internship. Holly and Rodney want to help RJ plan for his future.
Rodney takes the family to Arizona to visit his parents for their 57th wedding anniversary. Holly seizes the opportunity and plans a family RV trip to the Grand Canyon.
Holly runs a job fair to train people with autism. Holly and Rodney ask designer, Ken Wingard to decorate their new home. Dolores enlists Ryan's help in getting back into the dating scene.
The HollyRod Foundation holds their annual fundraiser, DesignCare, to raise money for Parkinsons and Autism. This year marks its 20th anniversary and Holly wants it to be better than ever!
When Robinson attends a baseball training camp run by former NY Yankee Dave Winfield, he wants to fast-track his college recruiting process. However, Rodney feels that players are being recruited too young these days and enlists the help of some famous ex-MLB players to help convince Robinson to slow down. Holly decides to try her hand at sports broadcasting, but first must convince Rodney to let her join him and on-air partner Fred Roggin on their radio show, something Rodney is not exactly keen to do. Before Ryan returns to NYU for her junior year, Holly insists that she get her driver’s license. Ryan turns to brother R.J. "the best driver in the family," to help her pass her test.
Holly decides that she and Rodney should start working out together in order to spend more time with one another. Holly's brother Matt and his wife Cindy make a surprise visit to Dolores in Palm Springs. When Ryan learns about event for Siblings of People with Autism, she takes inspiration and plans a day of surfing for her, R.J. and his friends and their siblings.
It's Ryan's last week at home before heading to Berlin for her semester abroad. Feeling like he has missed out on important father-daughter time with Ryan this summer, Rodney scrambles to make up for it before she leaves. R.J. wants to revisit his past modeling endeavors, and decides to walk the catwalk again, this time for charity.
Robinson wants to try his hand at acting and, initially wary of her son becoming a child actor, Holly relents and allows him to audition for a role on her new "Morning Show Murders" movie for Hallmark Movies & Mysteries. Dr. Wiley's Autism: Beyond the Label gala is fast approaching, and Rodney is on a mission to make certain that honoree R.J.'s acceptance speech is "ready for primetime." And when Rodney's former USC teammate, Chris Hale, challenges him to a tailgate cook-off, the gauntlet is thrown down and the cook-off is on!
Holly and Matt celebrate Sesame Street's 50th Anniversary, and Rodney takes the boys to a dude ranch.
Holly and RJ head to Berlin to see Ryan and celebrate their 21st birthday. Rodney struggles to get Roman to put down his video games. RJ's Place gets ready to open.
