Stephanie and Jimmys baby comes home and makes the fuller house even fuller. D.J. is quite jealous, that Stephanie hires a Doula to help her with the still nameless baby, instead asking her big sister for help.
Jackson accidentally sends a bad post to Ramona's new boyfriend from her phone, Fernando has a crisis at the start of the Formula One Season after his retirement, Max is trying to do his first high dive.
Matt and Gia need DJ to notarize their marriage license even though Rocki objects, Gia gets invited to have a Mom's Night Out with Steph, DJ and Kimmy, the guys have a Dudes Night In while the girls are out
DJ and Jackson bond through a video game which was DJ's secret until a face to face playoff and the grand reopening of Uncle Monty's runs into a bunch of snags
The Mayor of San Francisco needs a house call to cure her bird, Ethan is invited to participate in Gibbler Game Night, Steph contemplates her future as mother of Dani
After Steve tells DJ that he has signed her up for a DJ's Amazing Race- Birthday Edition, Steph and Kimmy think he is about to propose to her, Jackson and Max try to teach five-year-old Tommy how to be a guy with dire consequences
Ramona introduces Rocki to Ethan and she suspects that they already know each other, Lisa Loeb turns up in DJ and Matt's veterinary clinic which draws Steph to get Lisa to listen to a song she wrote
When Kimmy finds out that Ramona is looking at East-Coast colleges, she and DJ take Ramona and Jackson on a tour of Cal University; trying to get Jackson enthusiastic about college, DJ discovers that he has talents that she hadn't noticed.
Kimmy causes trouble for DJ and Matt when she fills in for their ill receptionist at the vet clinic. Steph feels guilty when she realizes Jimmy has been more considerate than she has lately. Jesse is on a mission to find out who bit his daughter, Pamela, at school.
The kids get together to host a game show, The Nearlywed Game, that they live stream. It tests how well the couples know each other - and what they really love about each other.
It's the week before the wedding. The guys go out for their stag party while Kimmy, DJ and Stephanie look for something old and something borrowed for their wedding.
It's finally the wedding day and the triple wedding trends toward disaster as one detail after another falls through. But is it a curse or a sign of big surprises to come?
