Squad One was a squad of B1-series battle droids and B2-series super battle droids that served under Neimoidian General Lok Durd in the Confederacy of Independent Systems' droid army in 21 BBY, where it fought on the planet Maridun in the Clone Wars against the Galactic Republic.
Squad One appeared in "Defenders of Peace," the fourteenth episode of the animated television series Star Wars: The Clone Wars' first season, which originally aired on January 23, 2009.