Engine Sentai Go-Onger (2008 – 2009) - Tập 21

The Mobile Sentai and Aerial Sentai team up under Master Jet Fish to defeat the Bubble Beast, a pollution-themed villain. After overcoming internal rivalries and rescuing their robot companion Bon-Bon, the heroes combine their powers to form the Great Sentai Tenyo and purify the air. Meanwhile, internal strife plagues the villains' hell palace amidst reflections on 11-dimensional existence.