Climax-Action ~The Den-O History~ is an ending theme (ED) from Episode Yellow: Treasure de End Pirates. It was performed by AAA DEN-O form, Ryotaro Nogami (Takeru Satoh), Momotaros (Toshihiko Seki), Urataros (Kōji Yusa), Kintaros (Masaki Terasoma), Ryutaros (Kenichi Suzumura), Airi (Wakana Matsumoto), Naomi (Rina Akiyama), Sieg (Shin-ichiro Miki), Yuto Sakurai (Yuichi Nakamura), Deneb (Hōchū Ōtsuka). It is a medley of lyrics from every (major) version of Climax Jump and Double-Action, along with Action-ZERO and Real-Action.