Squad Three 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, along with Squad Two, fought on the planet Maridun during the Clone Wars.
Squad Three 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.