Tater's "Summer of Tater" agenda veers unexpectedly as her twelve primos surprisingly move in. Perplexed by BiBi's dramatic scheme, Tater tries to get the primos to sign a room contract.
Tater wants to work on her vision board, but Bibi assigns her and Nellie to chore duty. To get some alone time away from the Primos, Tater volunteers to watch LotLot's cursed doll.
Tater takes on the challenge of mastering 10 new talents in a single day. To persuade Bibi to buy her a new book series, Tater decides to generously gift her cherished childhood books to her three youngest cousins.
In a nature documentary style, Tater embarks on a quest to find her own territory. After rescuing Nachito and earning his loyalty, Nachito becomes Tater's devoted sidekick, shifting the dynamic between him and Nacho.
Tater, determined to learn ice skating, seeks lessons from the mysterious and talented skater 'El Patín'. In her quest to join the T-Sisters' tea party, Tater scours for juicy gossip about her cousins.
Tater creates a musical time capsule to remember the Summer of Tater with her and the primos' greatest hits. Tater finds out her best friend excels at talking to adults, while Serena wishes to be more like Tater, who's good with kids.
Tater makes a documentary about her life for her birthday and uncovers truths that shift her worldview. After her friends forget her birthday, Tater imagines a celebration far beyond what anyone could expect.
Tater discovers there's more to culture than what meets the eye. Tere and Toñita, seeing how much Tabi does for them, seek Tater's help to find the perfect gift for their selfless sister.
Tater joins a tabletop role-playing game but her main-character vibe conflicts with her assigned support role. Tater learns that Lita's relationship with Tía Rita differs greatly from her own with Bibi.
With Big Nacho on a date, Nachito tries to show he can manage on his own, while Tater resists her urge to meddle. Tater is shocked to find out the true history behind her favorite family holiday, Mañana de La Iguana.