Plezuon's warrior Kyoryu Violet appears, revealing he has taken Plezuon on a mission to space half a year ago. The Kyoryugers are eager to receive their new ally, but the Deboth Army is equally eager to stop him.
強龍紫戰士與箭頸龍從宇宙回來，但途中遭到襲擊。紫戰士將計就計，假裝被擊落。大悟等人前往營救時，被三個復活了的敵人襲擊，但得到紫戰士出手相助。事情告一段落後，多連帶大悟等人前往箭頸龍的基地，並把烏爾謝德博士介紹給大家認識……
