The series, set in New Jersey, revolves around a gated townhouse community called "Hidden Hills." This is where the Weavers, a normal average family, have decided to move to. But upon their relocation to this community they discover that this place is populated by residents who are actually from another planet, using names of sports athletes, where men can become pregnant, receive nourishment through their eyes and mind by reading books rather than eating, and cries out green goo from their ears. Not only that, it appears that these aliens have been stuck on Earth for 10 years, still awaiting for a distress signal to return home
When Marty Weaver and his wife, Debbie, move to a gated community with their three children, they discover their neighbors are aliens who had not met humans.
The Weavers take the Bird-Kersees to a mall outside Hidden Hills; Jackie and Debbie question each other's intentions.
Looking for a break from their neighbors, Marty and Debbie make plans with their human friends.
Marty and Debbie give Dick Butkus anti-bullying advice; Larry and Jackie get tired of the Weavers' parenting tips.
The Weavers introduce the aliens to Halloween; Amber, Max and Abby reject Marty and Debbie's costume idea.
Jackie tries to help Debbie plan Abby's birthday; Larry shadows Lenny at work; Reggie tries to find a gift for Amber.
Debbie and Marty find out more about alien love when the Zabvronian mating season begins; a cute jock asks Amber to a makeout party.
Debbie asks Marty to rescind his parents' invitation to Thanksgiving dinner so they can have Jackie, Larry, Reggie and Dick over instead.
Marty and Debbie dislike the kids' entitled attitude toward Christmas and decide to return the gifts and use the money for a family vacation; when the Weavers realize the aliens already opened all the presents, Larry Bird must save Christmas.
When the neighborhood gardener dies, forcing Debbie and Marty to explain death to the aliens, Larry Bird decides to solve the problem.
Larry Bird helps Debbie deal with PTA politics and its officious president, Linda (Nora Dunn); Jackie's competitive nature kicks in when she helps Marty coach soccer.
When the whole Weaver family comes down with a cold, the Bird-Kersees -- especially Larry -- are terrified and confused.
When the Weavers and the Bird-Kersees chaperone a school dance, Debbie tries to re-create a romantic moment with Marty; Jackie wishes she and Larry had a more interesting story about how they met.
The Weavers and Bird-Kersees are confronted with class and race issues as they compete for membership in an exclusive new country club.
The relationship advice Debbie gives Reggie backfires, making things harder for Jackie and Larry; Amber doesn't want to discuss her boyfriend with Debbie.
Debbie and Jackie go to a hip new club in hope of feeling more desirable; Marty and Larry Bird come to Amber for makeovers.
Obsessed with winning an Oscar, Larry and Reggie decide to videotape a spelling bee in which Max and Dick Butkus go head-to-head.
When the Weavers and Bird-Kersees go camping, Marty tries to prove that he is manly like his dad; the families have an encounter with an animal.
Marty offers to teach the Bird-Kersees how to drive; Amber regrets opting for lessons from a driver's ed teacher when Ms. Porsche (Sandra Bernhard) turns out to be very unconventional.
After the Bird-Kersees go see a Broadway show, Larry decides to create a musical of his own; an emergency phone call could expose the Bird-Kersees' true identities.
Debbie is ecstatic when a businesswoman (Bethenny Frankel) offers to help revitalize her purse business; Jackie jumps in to help, but soon she and Debbie realize they are in way over their heads.
During a trip to Atlantic City, Marty learns that Larry can count cards -- and see through them; Jackie confesses that she has always wanted a human wedding; Dick Butkus receives an ominous call from his grandpa.
Reggie and Amber tell their families about their relationship; a surprise guest competes for Reggie's affection.
After learning about April Fools' Day, Larry plans to prank the Weavers; Jackie helps Reggie try to convince Amber that he isn't interested in his Zabvronian soulmate.
When the Joyner-Kersee family was cut off financially, Jackie secretly got a job at a Mexican restaurant; Jackie invites her boss over in hope of getting a promotion, but things don't go as planned.
Jackie and Debbie get makeovers by Shirley (Wendy Williams) at Jackie's favorite hair salon; Reggie and Amber bond over nature programming; Dick tries to help Marty get in shape.
Larry wants to combine his favorite holidays, Chanukah and Halloween; Marty and Debbie are challenged to a costume contest.
Debbie focuses on Amber and Reggie's relationship as football season consumes the rest of the household; Larry tries to replace golf with football.
When Debbie creates a unique purse, Jackie gets them booked on "Shark Tank"; Amber choreographs Abby's dance for a big recital.
Debbie wants to enroll in business school but first must pass a qualifying exam; Reggie and Amber's relationship is tested.
Marty's father visits unexpectedly with stunning news, dashing Debbie and Marty's hopes for an uneventful Thanksgiving; Jackie's parents learn about human relationships.
A rift is caused when Jackie's parents help Debbie and Marty with a burst water pipe; Larry increases his efforts to find a job.
When Debbie accidentally spoils Larry's Christmas surprise for Dick, Larry retaliates; Amber and Reggie try to get each other the perfect present.
Debbie and Marty give the Bird-Kersees self-defense lessons; Larry wants to build panic room; Jane interrupts Amber and Reggie's date night.
Marty and Debbie prepare for their high school reunion, where Debbie will face her arch nemesis and Marty and his high school band perform.
Debbie faces a flirtatious professor at school; Amber mourns her relationship with Reggie; Larry and Reggie's Zabvronian cycles leave them emotional wrecks.
Debbie's maternal instincts take over when she hosts her college study group; for the first time, Larry experiences jealousy; Reggie and Amber make a decision.
The Weavers decide to host an Oscar party and invite old friends they've lost touch with; the Bird-Kersees hear about the party and decide to help make it a lavish, over-the-top event.
A co-worker invites Larry to a traditional Indian wedding; Larry and Jackie get carried away with wedding gift ideas.
Marty plans a date night that isn't what Debbie envisioned; Dick falls for the new baby sitter (Rachel Dratch).
Debbie's estranged mother (Rhea Perlman) invites the Weavers to her timeshare in San Diego so they can meet her newly adopted 10-year-old son; Marty tries to help Abby overcome her fear of the ocean.
Marty and Debbie's bowling partners want her off the team; Larry's father sends someone to take over the mission.
Larry's brother DJ Jazzy Jeff visits in the hopes of bringing everyone home to Zabvron; Amber admits to having a boyfriend.
Larry must decide where he wants to live when he finds out he's pregnant; new visitors arrive in the neighborhood.