Return to Geonosis was a five-part story arc in the second season. It was the only five-part arc of the entire television series. The arc began with Padme Amidala's discovery of plans for a new droid factory on Geonosis. It prompted a Republic invasion to retake the planet. Many Jedi and clones took part in the battle and an attack on the weapons factory was carried out. After the battle, Anakin Skywalker and Obi-Wan Kenobi travelled deep into the catacombs of Geonosis to find the Geonosian Queen. Later, an extremely infectious parasite infected the crew of a Republic medical frigate.