All Episode in Season 4

1. The Special Lunch 2. Fishing in the Open Sea 3. Hyoudayuu's Color Chestnut 4. Bontenmaru is a Bad Person 5. The Dream of the First-year Class 6. Shibuoni's Father 7. The leader's sense of responsibility 8. Isuke's cleaning expert 9. The expert of Kinobakakure 10. The Winning Technique 11. The Kitaishiterayo was caught 12. The shy Mr Matsu Chishiro 13. The last Makinosuke 14. The Teacher who is Respected 15. Do not get along 16. What is the order 17. Papa has collapsed 18. The Search for the Teacher 19. It's been a long while, Castella 20. The Arrival of Kiyuri-chan 21. The Recruitment of the Ninjas 22. The mysterious employee 23. The failure of everyone 24. What is the true identity of the ninjas? 25. Who is the criminal! 26. When Kingo is not around 27. What if he is not the Predistined Rival 28. The reason for the duel 29. Nametarou's Rebellious Stint 30. The Capabilities of a Real Battle 31. The selfish dinner 32. Though dinner was eaten 33. Expelled from the Medical Room 34. Punishment is ninja's food 35. Make the pupils return 36. The character of Komatsuda 37. Protect the Principal 38. Mr Tobu's excessive appetite 39. The Ideal Ninja 40. He is the master after all 41. Happousai leaves home 42. The training of the Hijyoujyuu 43. The monk was deceived 44. Discrimination of the Ninja 45. Protect the Uraurayama 46. The theft of the infamous sword 47. The storage room of Futokoroya 48. The swordsman, Hattari 49. The fight under the edge 50. The Shadow of the Infamous Sword 51. The troubles of Shibuoni 52. How was the social observation 53. Going through Strict Prohibition together 54. Takiyashamaru's flu 55. Let's go and eat dinner 56. It's better to be kind 57. The opening of the unagi shop 58. Mutual 59. The Person who is Visible 60. Constitution of Onigumomaru 61. Without the Shuriken 62. Lunch at the battle place 63. Mr Ryuuoumaru 64. The love letter that cannot be reached 65. Return to Fuuma 66. Shadowing of the Married Couple 67. The excellent upper-class student 68. The disqualified leader 69. The creation of Dokutakekunaa 70. The Prophetic Dream 71. Sarasarahea 72. Shinbei's Hair 73. The True Identity of Rinsu 74. Lord of the lost child 75. The delicious training 76. The New Deshiro 77. Various Set-Ups 78. The True Identity of Deshiro 79. The Blast of Deshiro 80. The Destroyed Deshiro 81. Before becoming a ninja 82. The print of the topic 83. To take the seal 84. What will you made to eat 85. Want to become Kameko's Kuna 86. The smell of the laundry 87. Tafugai-san's clothes 88. The battle of Onari 89. The sleeping posture is horrible 90. The reason behind the weariness 91. Mr Futagai again 92. The mystery of the man, Yamaimo 93. The loophole of Maitake castle 94. Creep into Maitake castle 95. Jinenjokoji's Magic 96. Kame-chan arrived again 97. Whereabouts of hiding places 98. The sword technique of Makinosuke 99. Shinbei runs 100. The pirate's fisherman 101. The return of Dokechi 102. Takiyashamaru's coach 103. The secret rehearsal of Dokutake 104. The treasure of the principal 105. The scroll of the licensed initiation 106. When the supplementary lessons are finished 107. The combined class of Kunou 108. The new ninja food 109. Run! 110. Ace of the land, Daisankyouemaru 111. Don't want to see Mr Andou 112. The flower-patterned socks 113. The ninja who can sing and dance 114. Happousai's Scout 115. Nanamatsukoeita's Slump 116. The reason why Kirichi came 117. Grandmother Orin's clothes 118. Someone's lives in the house 119. The investigator of Dokusasako 120. The superior Shinbei 121. The rat-man 122. The dubious marathon 123. The consultation of Fubiki 124. The Rakkyuu musume 125. The training of Onigumomaru 126. The severity of a ninja 127. The residence of the farmer 128. The scramble for the manjuu 129. So much homework 130. Happousai's Hypnosis

Season List

Ninja Boy Rantaro Specials Ninja Boy Rantaro Season 1 Ninja Boy Rantaro Season 2 Ninja Boy Rantaro Season 3 Ninja Boy Rantaro Season 4 Ninja Boy Rantaro Season 5 Ninja Boy Rantaro Season 6 Ninja Boy Rantaro Season 7 Ninja Boy Rantaro Season 8 Ninja Boy Rantaro Season 9 Ninja Boy Rantaro Season 10 Ninja Boy Rantaro Season 11 Ninja Boy Rantaro Season 12 Ninja Boy Rantaro Season 13 Ninja Boy Rantaro Season 14 Ninja Boy Rantaro Season 15 Ninja Boy Rantaro Season 16 Ninja Boy Rantaro Season 17 Ninja Boy Rantaro Season 18 Ninja Boy Rantaro Season 19 Ninja Boy Rantaro Season 20 Ninja Boy Rantaro Season 21 Ninja Boy Rantaro Season 22 Ninja Boy Rantaro Season 23 Ninja Boy Rantaro Season 24 Ninja Boy Rantaro Season 25 Ninja Boy Rantaro Season 26