Lair of Grievous " Lair of Grievous " is the tenth episode in of the " " television series . It is the tenth episode of the series overall . It was directed by Atsushi Takeuchi . It features the debut of Nautolan Jedi Master Kit Fisto in " The Clone Wars " series . Official description . " General Grievous must prove himself worthy of the Separatists when Count Dooku leads Jedi Master Kit Fisto and his former Padawan , the Mon Calamari Jedi Nahdar Vebb to Grievous ' villainous enclave . " Plot summary . Once alerted of Nute Gunray ' s escape , Jedi Master Kit Fisto and his former apprentice Nahdar Vebb follow the tracking beacon of his stolen ship to Vassek . They find the ship outside a castle , but Gunray is not on board . The Jedi and their squad of clones find a secret door to the castle , and Fisto finds a way to open it . They attempt to sneak up on Nute Gunray , but all they find is a gloating hologram of the Neimoidian . It soon turns into a hologram of Dooku , who informs the party that although it can ' t get Gunray , he will offer an " alternative prize . " Dooku soon contacts General Grievous and warns him that his ongoing stalemate in the war has become unacceptable and that Darth Sidious wants more dramatic results — more dead Jedi . Upon discovering that the castle is the lair of Grievous , Fisto devises a plan to ambush Grievous as soon as he arrives . After landing his ship inside the castle , Grievous is confronted by the Jedi and the clones . A skirmish breaks out and Grievous ' s legs are chopped off above the knees . As Grievous escapes , he kills two more clones before retreating to his control room to undergo repairs from his medic droid , EV - A4 - D , he orders his MagnaGuards to lock down the perimeter . Meanwhile , Fisto , Vebb and the remainder of their clone squad try to retreat from the castle , but Grievous locks it down . Fil tells the clones outside , Niner and Bel to contact the fleet at Bestine to bring reinforcements , but unfortunately , the MagnaGuards blow up the clones ' transport to cut off their escape and to prevent communications with the fleet . They also attempt to destroy Fisto ' s starfighter and his droid , R6 - H5 , but Fisto tells the astromech to get of the area , and R6 manages to pilot the fighter away from danger . As they explore the fortress , a trapdoor on the floor opens beneath them and one of the clones is killed in the molten incinerator vat below . Fisto and Vebb jump in time to avoid it , and Clone Commander " Fil " , uses a cable to cling to the side of the pit and climb up . After being taunted by an hologram of Grievous , they meet Grievous ' s pet roggwart , Gor . In a short battle , Fisto kills Gor , though Fil is also killed during the fight , an event that makes Vebb vengeful . After Grievous is repaired , he decides to check if Gor has killed the Jedi , only to find that Gor is dead . He is then contacted by Count Dooku . This time the Count confirms to Grievous that this is a test for him since his defeats by the Jedi has shaken Dooku ' s faith in the general . He decides to play along , and he and his guards go hunting . Fisto and Vebb soon find the entrance to Grievous ' s control room , but as they try to sneak in , Vebb chooses to confront Grievous instead , despite Fisto trying to convince him otherwise . In the midst of their argument , EV - A4 - D locks Fisto away from Vebb and the Mon Calamari Jedi skillfully defeats all five of Grievous ' s guards . Since Fisto is locked in the control room , unable to help Vebb , he finds EV - A4 - D and cuts him in half . Vebb proceeds to attack Grievous , but the general shoots and kills the young Jedi . Fisto calls for R6 - H5 to meet him at the south landing platform . After an intense lightsaber duel with Grievous , Fisto starts to gain the upper hand , but some of Grievous ' s MagnaGuards arrive , which turns the odds against him . As R6 - H5 arrives with his starfighter , Fisto escapes and returns to the Jedi Temple on Coruscant . Meanwhile , Dooku contacts Grievous , who tells Dooku how he has beaten the Jedi . Dooku already expected victory over the young Jedi and the clones , but says to best a Jedi Master is a worthy accomplishment . Grievous then clarifies to Dooku that Fisto got away . Dooku , disappointed , tells Grievous that there is room for improvement on his part , angering Grievous . Back at Coruscant , Kit Fisto reports to Yoda and Mace Windu the events of his mission . He tells them , " Nahdar ' s heart was in the right place , but he tried to match Grievous ' s power with his own . " Yoda says that " in this war , a danger there is of losing who we are . " Behind the scenes . The Episode Guide reveals a couple of lines not shown in the episode ' s TV broadcast . In addition to aforementioned joke , another usage of the famous line " I have a bad feeling about this , " this time by the Jedi Nahdar Vebb , was cut due to time constraints . These deleted scenes were restored for the " Director ' s Cut " version of the episode that appears on the DVD . The captured lightsaber Kit Fisto examines in Grievous ' castle belonged to Jedi Master Neebo . During the scene where Grievous is being repaired , when his mask is being removed , his death scream from the Revenge of the Sith can be heard . This episode won a for best sound editing in television animation .