Season 1
01. Medals, Underwear, and a Mysterious Arm
A mysterious arm reawakens the Greeed from their slumber and decides to use Eiji Hino, a cheerful wanderer, as his means of getting back what he desires as Kamen Rider OOO.
02. Desire, Ice Pops, and Presents
Ankh explains the Greeed and the purpose of the Medals to Eiji, even as the human desires to merely use his new power to fight for good instead of for selfish needs.
03. A Cat, Evolution, and a Glutton
Ankh becomes troubled when Eiji prevents him from eliminating his possessed body's sister while another Greeed uses a man's gluttony to create more Medals.
04. Doubt, a Picture Message, and a Helping Hand
Ankh threatens to leave OOO for Kazari and the Greeed while investigating the evolution of humanity while Eiji tries to find more about Hina.
05. A Game of Tag, a Nest, and a Rich Girl
Kougami asks for a share of Eiji and Ankh's Medals, while Mezool decides to use Hina's shopaholic classmate to create a new Yummy.
06. Fashion, a Contract, and the Strongest Combo
Hina confronts Yamano's shopping addiction when her father goes bankrupt while Ankh confronts Kougami about his share deal of the Cell Medals.
07. A Lousy Husband, a Trap, and a Jackpot
Eiji tries to research a husband bullied by his wife that is being mocked by Gamel while Ankh follows a lead for a missing Core Medal.
08. Sabotage, Having No Greed, and Taking a Break
Amidst Hino's failed attempts at stopping the Komoris' argument, Momoko takes the winning scratchcard and throws it into a nearby river. As Takeshi frantically searches for it, she reveals to Hino why Takeshi has become so greedy.
09. Drenched, the Past, and the Scorching Combo
In flashbacks, Eiji fails to save a girl amidst a foreign civil war. In the present, Satonaka meets with Eiji to collect Kougami's fee until an explosion occurs outside.
10. A Fist, an Experiment, and a Super Bike
As Maki observes the bomber, Kougami Biotech Laboratory technician Toru Tadano, Ankh scolds Eiji, who later discovers Maki's whereabouts.
11. A Traveler, a Swallowtail, and a Celebrity
Eiji encounters an old friend and globetrotting blogger, Keisuke Tsukuba, who has come to Japan to find a publisher for his work.
12. An Eel, the World, and the Gravity Combo
Following Goto's attack, the Ageha Yummy retreats again while Eiji learns of Goto's distate towards him.
13. Episode 13
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14. Episode 14
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15. Episode 15
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16. Episode 16
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17. Episode 17
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18. Episode 18
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19. Episode 19
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20. Episode 20
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21. Episode 21
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22. Episode 22
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23. Episode 23
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24. Episode 24
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25. Episode 25
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26. Episode 26
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27. Episode 27
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28. Episode 28
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29. Episode 29
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30. Episode 30
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31. Episode 31
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32. Episode 32
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33. Episode 33
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34. Episode 34
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35. Episode 35
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36. Episode 36
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37. Episode 37
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38. Episode 38
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39. Episode 39
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40. Episode 40
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41. Episode 41
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42. Episode 42
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43. Episode 43
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44. Episode 44
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45. Episode 45
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46. Episode 46
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47. Episode 47
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48. Episode 48
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