Both TyrannoRanger and AbaRed are attacking the Kyoryugers because of mind control by Space War God Boldos. Boldos uses the feelings of revenge from enemies defeated by heroes who uses the power of dinosaurs, creating Neo-Grifforzer and Neo-Geildon, clones of past enemies as well as Enter and Escape,enemies of the Go-Busters. Villains spanning generations are united into a single evil force. The Kyoryugers, who are fighting an unseen evil, meet with the Go-Busters, and the "Greatest Trap ever seen on Earth" is sprung. What rises up against the true dinosaurs, and the death of your best friends? Now, the Kyoryugers must try and use the "True Brave".

Source : tmdb