Legacy of Terror " Legacy of Terror " is the seventh episode in of the " " television series . It is the twenty - ninth episode of the series overall . It aired on November 20 , 2009 and is the fourth in a five part storyline . Official description . " " When Luminara goes missing , Obi - Wan and Anakin lead a platoon of clones in search of her . When the search leads to a mysterious lair , the Jedi are faced with a horde of undead warriors . " " Plot summary . Ahsoka and Barriss both leave the battlefield to recuperate . Up on a cliff , Luminara and Obi - Wan note the high casualties taken during the battle . The former sets out on a speeder to find Poggle the Lesser , as his capture , along with any information he has , would prove useful against the Separatists . Meanwhile , Poggle ' s AAT is dragging a number of crates with the use of tractor beams . A sandstorm begins , and one crate falls off , but Poggle tells his droids to leave it . Luminara and her clone companion Buzz follow Poggle ' s trail , as they brave through the sandstorm . They track Poggle to the Progate Temple . In one of the Republic " Acclamator " ships , Obi - Wan arrives on the bridge , only to be surprised to see Master Ki - Adi - Mundi , fresh out of the bacta tank . Moments later , Luminara holographically calls them , reporting that she has found what seemed to be a munitions container . She is advised by Obi - Wan via hologram to wait for support . Suddenly , after Buzz pushes a rock that shows a hole into the catacombs beneath , he is heard screaming and contact with Luminara is lost . Anakin eagerly wants to go help , but the other Masters advise to wait until the storm is over . After the storm , Anakin and Obi - Wan bring a squad to the temple . Cody finds Buzz ' s body and Obi - Wan finds Luminara ' s lightsaber . They then see a statue of what seems to be a Geonosian queen ' s head above the archway of a dark tunnel . Obi - Wan mentions that there are legends of Geonosian queens , but no proof has been found of their existence . They go through the archway , entering a strange maze . Elsewhere , the Geonosians drag the unconscious body of Luminara . She wakes up and tries fighting them off , but notices that the Geonosians aren ' t feeling pain — almost undead - like . She contacts Obi - Wan , telling them not to enter the temple , before she is subdued . Then , Obi - Wan and Anakin are attacked by the undead Geonosians , who are able to move even if shot or hacked ; there is also something worm - like moving through their face openings . They manage to save themselves by going down a tunnel . Obi - Wan remembers rumors of a hive mind able to control Geonosians , even after they are dead . Because they are too deep underground to contact Mundi , Obi - Wan sends two clones to head back to the surface and call for help . Unfortunately , they are killed by the zombies before they can do so . Obi - Wan thus suggests that the rest of them should stick together . They eventually find Luminara , held in energy bonds before the Geonosian Queen , Karina The Great . Anakin prepares to charge in , but Obi - Wan has a different strategy . He tells Cody to have his men surround the place , before blinding the zombies and burying them . The Jedi approach the queen , her thralls letting them pass . Obi - Wan diplomatically tells her to surrender , but the queen refuses , intending on controlling the Jedi with her brain worm s , catching Obi Wan ' s interest about the way the queen ' s mind control works . Poggle the Lesser approaches Luminara with a worm , but before it can snake its way up her nose , Obi - Wan gives the signal , and Cody and his men surprise the Geonosians , projecting light on the zombies and confusing them . They save Luminara and take Poggle prisoner . The undead tried to pursue the Jedi and the clones , but the clones blasted the cave supports , causing the ceiling of the cave to collapse . Obi - Wan intends to study the worm that was going to be used on Luminara , but Anakin squishes it with his boot , saying they should get out . They attempt to escape the collapsing temple , with the zombies after them . As they make their way up the hole that leads to the surface , a few zombies follow . Then , a rush of dust , and air pushes them up . They escape before the entire temple caves in , probably burying the queen . Behind the scenes . Though developed completely independently , this is the second zombie story in " Star Wars " . The first was the adult horror novel " Death Troopers " , released by Del Rey in October 2009 . After the attack there are three clones besides Commander Cody , but when Obi - Wan Kenobi tells two clones to go to the surface , there are more . Obi - Wan says the zombies keep moving after they cut them up . However , one stops moving after he cuts its head off .