" Trial by Squire " is the 15th episode of the third season of , which originally premiered on November 9, 2017. Episode Summary: Shopping for the Ultimate Gear
The episode introduces Higgs , a rival squire who provides a foil to Marco’s serious attitude toward his new role in Mewni.
The episode features a playful musical score titled " Never Saw the Salami Coming ," which plays during a lighthearted montage of Star and Marco having fun in the store.
This episode directly follows "Lint Catcher," where Marco is first given the title of squire after a less-than-heroic start in the royal wash.
Marco approaches the sale with extreme organization—bringing a color-coded inventory list and detailed maps. However, he soon runs into competition from other squires, most notably Higgs , who mocks his "nerdy" preparation and tries to sabotage his efforts.