Fourth class droid

Fourth-degree droids, also called class four droids, formed a classification of droids programmed for security and military purposes. Fourth-degree models included the B2 super battle droid.

Appearances

 * Star Wars: Episode I The Phantom Menace
 * Star Wars Journeys: The Phantom Menace
 * Star Wars Journeys: Beginnings
 * Star Wars: Galactic Defense
 * Star Wars: Episode II Attack of the Clones
 * Star Wars: The Clone Wars film
 * Star Wars: Episode III Revenge of the Sith
 * Star Wars: Commander
 * Aftermath
 * The Phantom Limb