In the season finale, everyone's resentments and grudges come to a head as the Langer Passover celebration devolves into a brutal, high-stakes competition.

Gregg disrupts David's train of thought just when he is on the verge of cracking the most famous unsolved math problem, so the family teams up to get him back on track.

When Jenny's mom invites the Langers to dinner, David claims that the others are out of town so he can go by himself, which backfires spectacularly.

David and Jenny's romantic night is thrown into disarray by Gregg's scheming and Harvey's garage band practice.

Gregg and David conspire to make some quick cash by secretly listing their parents' house on Airbnb while they're on vacation.

While hosting a gathering in memory of their late Uncle Reuben, the Langers get caught in a web of deceit.

When David delivers an unintentionally obscene valentine to Jenny's house, the whole family teams up to steal it back before she gets home.

David's flirtations with his lifelong crush are thwarted by Jane and Harvey's pathetic attempts to impress her parents.

When Jane's social media influencer sister comes to visit, Jane can't help battling her for the spotlight.

Desperate to avoid humiliation when his girlfriend dumps him on the night she's supposed to meet his family, David blunders into an ill-advised ruse.