The episode begins on Mewni, at the annual family reunion between the well-dressed and well-mannered Butterfly family (Queen Butterfly's side of the royal family of Mewni) and the loud and obnoxious Johansen family (King Butterfly's side). During the family picnic, Star attempts to sneak onto the adults' table, but she is quickly seated at the kids' table with Marco and the other family children, much to her frustration.
When the Butterfly family's uptight table etiquette clashes with the Johansens' rude manners, the two sides get into a heated argument. At the persuasion of his wife, King Butterfly steps in between the two sides and suggests a more civil way to settle their dispute: the traditional game of Flags. Star explains to Marco that the objective of the game is to be the first to plant a flag at the top of a treacherous mountain, much like the Earth game "King of the Hill". Unfortunately, Queen Butterfly forbids Star from participating because she is too young. Star, however, is determined to play Flags and win.
Star and Marco sneak to the starting line, and the game begins, with both families racing to the top of the mountain. Queen Butterfly stays on the sidelines as a spectator, and as far as she is aware, Star and Marco are still sitting at the kids' picnic table. As the Flags game progresses, Marco realizes how ruthlessly the other participants play; they use unethical tactics like traps, sabotage other players, and disregard each other's safety in order to win. Nevertheless, Star remains determined to win, using the same tactics as her family and even throwing her own father down the mountain.
Manfred, the game announcer, reveals that Star is participating in the game, and Queen Butterfly discovers that the Star and Marco at the kids' table are just dummies made of corn.
As Star and Marco reach a volcanic pool of lava with small stepping stones, Star gets into a brief clash with her uncle Heartrude and nearly knocks his manservant into the lava. After Marco saves the guard's life, he stops Star and tells her how much the game and the uncontrollable desire to win has changed her. Star sees how angrily her family members fight with each other and realizes she has been acting the same way. Marco suggests they simply stop playing and go back to the bottom of the mountain. Instead, Star races forward, grabbing the other participants' flags along the way, and they chase her up the mountain.
Before the competition escalates into a bare-knuckle brawl, Queen Butterfly appears in her winged, six-armed mewberty form to stop the fighting. The queen scolds her daughter for participating in the Flags game after she forbade her, and Star apologizes for tricking her mother with a corn dummy. However, Star claims that she was not trying to win herself—she was going to plant everyone's flags at the top of the mountain so they could all win. Impressed by her daughter's mature decision and how she represents the best aspects of both sides of the family, Queen Butterfly allows her to finally sit at the adults' table.
The episode ends with Marco planting his own flag at the top of the mountain and doing a celebratory dance.
- Game of Flags Score Selections
- Ready Set Flags
- Rain Zone
- Star vs the Volcano
- Queen Moon
- Perfect Blend
View the episode transcript here.
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- ↑ Promo | Game of Flags, Girls' Day Out | Star vs. The Forces of Evil | Disney Channel Asia [Footage]. YouTube (2017-01-12). Retrieved on 2017 March 5.
- ↑ 非公式 悪魔バスター★スターバタフライ (2017-01-24). 回毎にメンションをしますが、一先ず確定済み2月新エピ放送スケジュールをご紹介。 (Japanese). Twitter. Retrieved on 2017 March 5.
- ↑ Star vs. the Forces of Evil : Game of Flags; Girls' Day Out. Screener. Retrieved on 2017 March 5.
- ↑ Game of Flags / Girls' Day Out. Disney XD Press. Retrieved on 2017 March 5.