Caroline falls in with the wrong crowd when she tries to make new friends, after Max reconnects with an old friend.
Earl is crushed when he is not invited to play with his old jazz band at their reunion show, so the diner gang join forces to help get Earl back performing on stage.moreless
Max and Caroline interfere with a basketball game in an attempt to promote their cupcakes, but the chaos that ensues threatens to ruin their business' reputation.
Caroline's grandmother Astrid awakens from a coma with no knowledge of her family's massive money scandal, so Caroline tries to keep the truth from her a bit longer by giving Astrid one last fancy luncheon.moreless
Max is puzzled and curious when her new beau expresses hesitations about intimacy because he is "not regular down there". Meanwhile, Sophie and Oleg struggle to get pregnant.
Han believes his diner employees are not working together as a team, so he insists they all attend a mandatory night out at the Escape Room club. Once the diner gang is locked inside the "Alice in Wonderland"-themed Escape Room, they learn Han has ulterior motives.moreless
Max and Caroline's cupcake shop is boycotted after they refuse to sell cupcakes to an artist who wants to put cocktail weenies in them.
The girls run into Caroline's newly engaged ex, Candy Andy, and Caroline offers to make his wedding cake. Later, when she sees Andy's seemingly perfect relationship and how he supports his fiancée's career, she wonders if she should have stayed with him.moreless
The shower at Max and Caroline's apartment breaks, so they get part-time jobs at a fancy gym's juice bar and enjoy free use of the locker room. But their jobs are placed in jeopardy when a group of rich moms become jealous of the attention Caroline receives from a sexy trainer.moreless
Grunkle Stan runs for mayor, so Dipper and Mabel try to help their gaffe-prone uncle become the perfect candidate.
Dipper receives his favorite board game in the mail and gets his great uncle to play with him. Unfortunately, the game's wizard materializes in Gravity Falls and they must find a way to defeat him.moreless
Grunkle Stan is forced to reveal his history with his twin brother to Dipper and Mabel.
Season 4 ends with Max and Caroline tasked with retrieving Sophie's wedding dress from airport customs and safely transporting it to the church in time for the nuptials.
Max and Caroline help launch the opening of The High's new location at JFK airport. Meanwhile, Sophie learns that Oleg may have an ulterior motive for wanting to marry her.
Max and Caroline's attempt to break Nash into the modeling business is threatened when his mother arrives from Ireland to retrieve her son.
Max and Caroline try to get work for Nash as a model in an effort to make some extra money acting as his managers. Meanwhile, Sophie and Oleg attempt to remain celibate for 30 days before their wedding.moreless
Sophie takes Max and Caroline shopping for their bridesmaid dresses, so the girls enlist the diner gang's help to hide the most hideous ones to avoid being utterly humiliated.
Max pursues a handsome new coworker at the restaurant, despite the owner's "no hook-up" rule.
Max and Caroline get second jobs as a pastry chef and a hostess at a trendy restaurant to help pay off their bank loan.
Max and Caroline's missing cat, Nancy, is returned by a handsome businessman; and Nancy comes home with a big surprise.
Sophie's wedding shower is disrupted by a hostage situation. The cupcake business receives bad publicity when a tenant is arrested wearing the girls' company T-shirt.
After government agents take him into custody, the twins uncover some things that cause them to question how much they know about their Grunkle Stan.
Max and Caroline get into a legal battle with two teens who knocked off their cupcake T-shirts and sold them.
Dipper tries to rid the Northwest Mansion of a ghost before it wreaks havoc on Pacifica's upcoming party.
Max and Caroline are arrested for breaking into a cute guy's apartment to retrieve some rings Caroline left there after she spent the night.
Caroline, Earl and Han help Oleg move into Sophie’s apartment until she starts turning his things away.
Caroline gets a shock for her birthday when she receives a Lamborghini ordered by her father four years ago. Oleg has big plans for Sophie.
Max and Caroline hire a factory to produce their cupcake T-shirts, but they become suspicious of the work conditions there due to the company's overly enthusiastic employees.