Larry finds out he's pregnant, and must decide whether to stay on Earth or return to Zabvron. Meanwhile, Reggie mulls becoming a human while and the neighborhood gets two new visitors.
Larry's handsome brother, DJ Jazzy Jeff, shows up for a visit and claims it's strictly social, but he's actually in cahoots with their father to bring the entire community back to Zabvron. Meanwhile, Amber confides in Debbie about her college boyfriend.
Marty and Debbie love Friday night bowling but Marty is tasked with kicking her off the team when she proves to be a terrible bowler. Larry's brother arrives to challenge him after word gets back to home base that the alien colony is becoming too Americanized.
The Weavers, along with Larry and Jackie, head to San Diego to meet with Debbie's estranged mother and meet her newly adopted ten year old son. Marty does his best to get Abby over her fear of the ocean.
Feeling they're stuck in a rut, Marty plans a date night, but it's nothing like Debbie imagined. Dick is wildly enamored with the new babysitter.
Despite pleas from Marty and Debbie, Larry decides to attend his Indian co-worker's traditional Indian wedding. Larry and Jackie get swept up in the event looking for a wedding gift after Larry's research concludes that these types of wedding take place in "Bollywood".
Reconnecting via social media with old friends from Bayonne reminds Debbie of how much they've lost touch, so the Weavers decide to throw an Oscar party and invite everyone from the old neighborhood. When the Bird-Kirsees get wind of the party, they decide to turn the house into an extravagant over-the-top Oscar party.moreless
Debbie finds herself acting like a "mom" when her college study group meets at her home. Larry undergoes jealousy for the first time. Amber and Reggie make a key determination concerning their relationship.
Leaving Marty at home with Amber as she grieves over her relationship with Reggie, Debbie heads back to school. With Larry and Reggie's synced male cycles and Dick experiencing the terrible tens, the Bird-Kersee men are emotional wrecks.
Marty and Debbie are thrilled that their 25th high school reunion is approaching. Debbie can brag about her move to Hidden Hills but knows she'll have to see her archenemy Tina. Marty's high school band has been asked to perform, but his moment of glory is soon turned upside down.
The Bird-Kersee's decide to build a panic room after they are mugged, of course they've chosen Marty and Debbie's bedroom as the place to build it. Jane's intrusion into Amber and Reggie's date night forces Reggie to decide which girl he wants to be with.
Debbie inadvertently ruins Larry's surprise Christmas gift for Dick, so he goes over the top with gifts for the Weaver kids. Reggie and Amber labor to come up with the perfect gift for each other.
While a water pipe break brings Marty and Debbie closer to Mother Joyner and Father Kersee, it causes a riff between Jackie and her parents. Larry is determined to find a job and prove he can support his family.
Just when the Weaver's were hoping for a quiet Thanksgiving, Dominick Weaver arrives with the announcement that he's getting a divorce and moving in with Debbie and Marty. In the midst of all this, Jackie's parents arrive and find out all about human relationship idiosyncrasies.
Debbie's Shark Tank encounter gives her the idea to attend business school. To help pass the qualifying exam, Dick steps in as her tutor. Amber and Reggie's relationship is tested again when an enhanced Jane enrolls at their school.
Jackie gets a booking on "Shark Tank" to help Debbie find an investor for her new purse design, but it's Larry's presence that affects the outcome. Abby has a big dance recital coming up and Amber acts as her choreographer.
A romantic evening for Amber and Reggie is set in motion by their mothers. While the Weavers are enthralled with football season, Larry decides golf is boring and pointless, so he replaces football as the sport for the community.
Larry decides to combine his two favorite holidays, Halloween and Chanukah, into Challoweenukah. When no one shows up Larry decides advertising with candy at the playground, which doesn't go over well with the police. The Weavers are challenged to a Halloween costume contest.
Game night leaves Jackie with second thoughts about her friendship with Debbie, so they head out for makeovers that result in a new hairdo for Debbie. Amber and Reggie continue to probe their genetic differences. Larry learns about Earth's healthcare system after Marty is injured participating in Dick's plan to get him back in shape.moreless
Jackie and Debbie have become the best of friends and are confiding all to each other. Except Jackie neglected to tell Debbie that she's been working at the Mexican restaurant nearby. When she sees a way to get promoted to manager, she asks her boss home for dinner but things don't turn out as planned.moreless
After learning about April Fools' Day from the Weavers, Larry is determined to pull the most impressive prank ever on them. Amber needs convincing that Reggie doesn't have feelings for his Zabvronian soulmate.
With summer at an end, Amber and Reggie finally tell their families that they are dating. What ensues is a two-family conference to decide if they can continue to date. Heated discussions end after Abby tells everyone that only Reggie can make Amber smile. Just when it looks like everyone is on board with the relationship, out of the blue someone else shows up to compete for Reggie's affections.moreless