Season 6: The invasion of Oni

Main antagonist is The Darkgung and the Oni are the villains. Contiuing from the previous season, The Bounty was smashed into pieces. but then, the Bounty is Rebuilt in An Dark Bounty.

Episodes
55. Darkness

56. The Bringers of Doom

57. Split Apart

58. Jungle in Darkness

59. Happy Darkday

60. Destiny's Plane

61. An Dark Bounty

62. What a Oni

63. The Second Green Ninja

64. The Secret of Creation