Codename : Arcturus Codename : Arcturus is the sixth episode in Season 3 of . Plot . Somewhere deep in the sea , Pythor and multiple Nindroids use air balloons to lift up the MechDragon and find the trapped Overlord . Meanwhile , the ninjas are back in the temple of Light where Lloyd , realizing that he will be in danger as long as he has his golden power , gives his power to the other ninja , who are excited that they have elemental powers again . Their excitement is much to Sensei Garmadon ' s disdain , as he feels that it could be a security risk , but Sensei Wu tells Garmadon to have faith that their current battle is in their favor . Then Kai goes to a gas station ; and Nya , Jay , and Cole go to the cinema . Elsewhere , Pythor and General Cryptor have made Cyrus Borg their evil servant , Overborg . After an extensive conversation regarding the Nindroids ' impatience of the Overlord ' s whereabouts , Pythor heads to an observation deck and throws up the Overlord . Although Pythor is optimistic about their present plan , Overlord rebuts him , saying that going for Lloyd ' s golden power directly is no longer an option and there is another way of reaching the same power to complete his physical incarnation . In the Borg tower , Wu and Garmadon stay in Borg ' s office and try to solve a puzzle about a secret code that Zane and P . I . X . A . L . found , named " Project Arcturus " . Garmadon mentions that Arcturus was an old Serpentine general who was defeated . Then P . I . X . A . L detects Nindroid convoy going through a road near where Kai is . Kai is flirting with a girl in a gas station when P . I . X . A . L calls him and tells about the Nindroids approaching . He jumps into his Prototype X - 1 car and heads to the highway . When he comes to a bridge , he accidentally fires rockets to the sky , which got spotted by Pythor who was driving in a leading fuel truck with General Cryptor . Pythor then launches Nindroid flyers to hunt him and destroy his car . Kai successfully repels their attack , but Cryptor fires rockets at a hill above them and soon rocks that got separated from the hill fall down to his car . They block the road , but Kai and P . I . X . A . L . destroy them with rockets . To hunt down General Cryptor ' s truck , P . I . X . A . L activates his interception bike which Kai is unable to control so he bumps into edge of the oil tank . He gets up to its roof and fights Nindroids , using his newly obtained fire power along with Spinjitzu . This proves to be a mistake as he realizes that his fire power lit up the oil tank and that it ' s going to explode . Soon they got to a tunnel , where the Min - Droid attacks him . The X - 1 machine , remotely driven by P . I . X . A . L , accidentally scrapes an oil tank so gas starts leaking . It soon gets to flame from the sparks of the Min - Droid fighting Kai . When the fire comes to the leaking tank , the whole tank explodes but Kai jumps off to Pythor ' s truck and saves himself . He stays beneath his truck and hears Pythor talking to the Overlord by a radio . He tells people in Borg Industries that the Overlord is alive , but gets captured by Pythor who takes him to the lost city of Ouroboros . As night falls , Nya , Jay and Cole get out of the cinema and then Jay and Cole ask her did she decide which of them she will " pick " . She said that she will pick Jole , a robot created by her that is mixture of Jay and Cole . This decision that is rendered moot when the robot freaks out and runs away . When they see light coming from Borg Tower , they get up to Borg ' s office where they find Garmadon , Wu , Lloyd and Zane who tell them that the Overlord is alive and is holding Kai hostage . They realize how the name Arcturus is actually a clue about the Overlord ' s new plan , although P . I . X . A . L is unable to find anything related , even though she has every point in time of Ninjago ' s history in her database . Zane and Garmadon remember how they and the others went back in time and destroyed Garmadon ' s Megaweapon - - an event that P . I . X . A . L , Lloyd , and everyone else never knew about because the past and present had been altered . It is Nya who voices their realization of the purpose of Project Arcturus : to obtain the only other source of Lloyd ' s golden power - - the Golden Weapons of Spinjitzu - - which is located in the stars . Zane tracks Pythor and finds out that he is holding Kai in Ouroborus . By the time Zane , Cole , Jay , and Lloyd get to Ouroborus , they don ' t find anything new around until a huge door below them opens and they fall into an underground base where they find a huge rocket called " Arcturus " . They realize that the rocket will lead Pythor and his Nindroid minions to space and reach the Golden Weapons from the star where the Megaweapon was destroyed . Lloyd tries to stop him from lifting the rocket but Overborg stops him . With help from a freed Kai , the other ninjas hold off the Nindroids with their new elemental powers until Cryptor calls a retreat into the rocket . Pythor initiates the countdown for the rocket to launch into space , so Lloyd leads the ninja into it just in time . In the distance , Wu and Nya watch the Arcturus rocket gain altitude as P . I . X . A . L . reports the ninjas ' presence in the rocket . Garmadon asks how far risk - taking was meant to go , but Wu replies by praying for the ninjas ' safe return as if the sight of the rocket shrinking in the sky is the answer to his brother ' s question . . .