![](https://image.tmdb.org/t/p/original/3RZLrg5jLLmXTOQ9b0uLRiDLscI.jpg)
![](https://image.tmdb.org/t/p/w342/iFr5M9gQsQOVCByh7fiHR17RZSd.jpg)
The Underground Empire
In the underground empire, 009 is hypnotized and forced to attack his comrades, while Skull is back after being presumed dead.
![](https://image.tmdb.org/t/p/w300/x8T0dcllXzScXpO5jTi1m4letUY.jpg)
![](https://image.tmdb.org/t/p/w300/yzh8hM9bRubN6O8HFavA0MFHYhJ.jpg)
![](https://image.tmdb.org/t/p/w300/bgoQQ9rnHtLT7ivUd7I8nLfB3H7.jpg)
Other episodes for this season
![The Birth](https://image.tmdb.org/t/p/w300/8sXCoz3Vtj5I6rEuExIZnIpIa9S.jpg)
![The Escape](https://image.tmdb.org/t/p/w300/3D6f7zrRJzZ3WyUvzoq3HoJJgC0.jpg)
![The Assassin of Flash](https://image.tmdb.org/t/p/w300/p4lQw5d5KPlsg6RbO46yMu0aGlr.jpg)
![At the End of the Battle](https://image.tmdb.org/t/p/w300/wkppj20xXLMgvP48zrKXUXGn1bv.jpg)
![Tears of Steel](https://image.tmdb.org/t/p/w300/noiGNaZ80EODmdOth7Ri4D8cIPQ.jpg)
![Search for the Professor](https://image.tmdb.org/t/p/w300/cGdAlcxazpkfKeJstyQTaueF2ny.jpg)
![Defeat the Invisible Opponent](https://image.tmdb.org/t/p/w300/poM2ULng6BXRQPGrNaWjwOvU8Kg.jpg)
![Friend](https://image.tmdb.org/t/p/w300/mVXjDgPQxhE3DKll5ediJVekpHI.jpg)
![Satan of the Deep Sea](https://image.tmdb.org/t/p/w300/AoAxe39XVk7Jyjsg1sImLOVWp0E.jpg)
![Operation Auroras](https://image.tmdb.org/t/p/w300/gfSLOJSqH9zbYxS1KkgpFOitLQQ.jpg)
![Christmas Eve Mirage](https://image.tmdb.org/t/p/w300/tcBZiSVJ21NAE2rtiCjq3VPOyBu.jpg)
![Mystical Inhabited Island](https://image.tmdb.org/t/p/w300/jDastL04YJZ65SOkIYfrfcsNDba.jpg)
![London Fogs](https://image.tmdb.org/t/p/w300/w7Nt6cXWumONScQaacSpJ0Jqsa2.jpg)
![Land of Reunions](https://image.tmdb.org/t/p/w300/9MNSk0IYQ3ucWLkjzXSUbddiXzQ.jpg)
![Goodbye, My Friend](https://image.tmdb.org/t/p/w300/a14yjaxGijgTxbbUxxggbeH4Rrd.jpg)
![Breaking In](https://image.tmdb.org/t/p/w300/yUn4KuwOxKOKk3Q5HJkFNL3pONB.jpg)
![The Final Battle](https://image.tmdb.org/t/p/w300/nssJsNlkoFYIGy1D6yZPsp8fXHq.jpg)
![Story of a Struggling Restaurant](https://image.tmdb.org/t/p/w300/a49lfgSV2BEFV36wQb51Gxopc9W.jpg)
![Hero](https://image.tmdb.org/t/p/w300/gtFizCsp8IAj7XYWt6BVAd4bNKm.jpg)
![A Phantom Dog](https://image.tmdb.org/t/p/w300/q74m86QckjT91yVWkfTLIL1HsL7.jpg)
![Fossils of Evil](https://image.tmdb.org/t/p/w300/876QihjIqtLobsxyzwSplCmhyVS.jpg)
![Attack of the Gods](https://image.tmdb.org/t/p/w300/kJ27nOZT91X7I95TzOv4CYpskVA.jpg)
![Mythology Arises](https://image.tmdb.org/t/p/w300/6TIrO5kN58VK0mufT7XQAFzud0q.jpg)
![Artemis](https://image.tmdb.org/t/p/w300/cpBAkRElzjPQNA9BPGMiE5Gfqas.jpg)
![Mythos](https://image.tmdb.org/t/p/w300/u5SSlKqQF5WlDIZn5Bgaq354p1R.jpg)
![Gilmore's Notes](https://image.tmdb.org/t/p/w300/lL5Y8MBaHjPONJtKGiLam8uCYGy.jpg)
![Little Visitors](https://image.tmdb.org/t/p/w300/xFcZeYVIEL3up86GUOUugiuXV0z.jpg)
![The Awakening](https://image.tmdb.org/t/p/w300/bbqQtzwYqaC3rciTvWNGXFKaG47.jpg)
![The Blue Earth](https://image.tmdb.org/t/p/w300/ehUsyAoeMMrAvAxRF07hMJjXKa.jpg)
![Computopia](https://image.tmdb.org/t/p/w300/wP3IW9FU8YTpDtlHO6rk3vJOYRE.jpg)
![Monster Island](https://image.tmdb.org/t/p/w300/2hV7RORdKWfBTM2tqvmiP9LK3M4.jpg)
![Man or Machine?](https://image.tmdb.org/t/p/w300/jvnyftRgpk19AcTX8guBG2iRoJc.jpg)
![Frozen Time](https://image.tmdb.org/t/p/w300/gUQnO908R2cpYeRO8BIlGUc0Bgy.jpg)
![The Pharaoh’s Curse](https://image.tmdb.org/t/p/w300/cBZt4knl5G5A0WxNIuwTrUgcHiq.jpg)
![The City of Wind](https://image.tmdb.org/t/p/w300/9fOSkq6vyMlolLRPFTNU6rcDzC7.jpg)
![The Frozen Land](https://image.tmdb.org/t/p/w300/cqKMEyabvbeJQlgLI5JPg2ofwmk.jpg)
![The Night of the Star Festival](https://image.tmdb.org/t/p/w300/wrsEIxKQjRQ1AqJnxJ6w68akqZg.jpg)
![Black Ghost Lives](https://image.tmdb.org/t/p/w300/rd6pWZ9Vf5Ff5VzbWwTs9L670PQ.jpg)
![The New Assassins](https://image.tmdb.org/t/p/w300/L0utSzR152zfFgnmfkiAXJQPTa.jpg)
![Gamo's Revenge](https://image.tmdb.org/t/p/w300/ck5NHR8RQjarIfFcYKXazmBNy1C.jpg)
![Future Fury](https://image.tmdb.org/t/p/w300/s2OYpqguuOk186bs6n6J7CmzQ8S.jpg)
![To Tomorrow…](https://image.tmdb.org/t/p/w300/5JvIB1qoWlNnZz3lEnKHHgHnmqW.jpg)
![Old Friends](https://image.tmdb.org/t/p/w300/4AoIIOTRLO5b3SQKLAzwObru8hW.jpg)
![The Nightmare of Van Bogoot](https://image.tmdb.org/t/p/w300/8FJeW2Kpg0TmYyY70cZqHgtJRmk.jpg)
![Good-bye, My Dolphin](https://image.tmdb.org/t/p/w300/y29i4Osc98rFwjLwgeeEDhkZ7Ic.jpg)
![The Underground Empire](https://image.tmdb.org/t/p/w300/3RZLrg5jLLmXTOQ9b0uLRiDLscI.jpg)
![Rise of the Demon](https://image.tmdb.org/t/p/w300/88XmKCHIk3Qo34GpbXVShdcIUkx.jpg)
![From Here to Eternity](https://image.tmdb.org/t/p/w300/hYpDKrrXx1c7I37yS7fhawIRs4i.jpg)
In the underground empire, 009 is hypnotized and forced to attack his comrades, while Skull is back after being presumed dead.