Dragon Ball Super - Season 4 Episode 27 -

An unexpected turn of events makes Gohan's day! A movie is being made about the dream showdown, Great Saiyaman vs Mister Satan! Gohan joins as the stuntman and gets into character. Gohan's identity is accidentally revealed to Cocoa (a starlet in the movie), who blackmails him into letting her RIDE his back while he flies her home. Jaco thinks "The Great Saiyaman" is the host of the parasitic (Space) criminal Watagash(Who escaped from Jaco before) and attacks him (not knowing that he is in fact Gohan) with a "Microcosm Canon" which can vaporize at a cellular level.