After an awesome episode today, here's the preview of Tokumei Sentai Go-Busters' 18th episode, “Cooperative Operations 3000 Meters In the Earth”. Enter created the Drilloid to drill into the depths of the Earth.
To stop Drilloid, Hiromu, Ryuji, and Masato descend down into the depths of the Earth in their Megazords while Yoko and Jay keep watch on the surface.