In Juken Sentai Gekiranger vs. Boukenger, the Gekiranger team meets up with the team from GoGo Sentai Boukenger. Dark Shadow's Shizuka of the Wind sneaks into SCRTC to steal a mysterious red jewel, leading to the Gekirangers confronting her. When BoukenBlack, BoukenYellow, and BoukenBlue appear, a battle among the two groups over the jewel occurs as Shizuka attempts to retreat.