Super Dragon Ball Heroes S01 E03 The Mightiest Radiance! Vegito Blue Kaio-ken Explodes!

The evil Saiyan Cumber has now revealed his true form, and in order to face off against him, Goku and Vegeta fuse via the Potara! They become the mightiest warrior, Vegito Blue, and even let loose with the Kaio-Ken!! Cumber counters by unleashing an amazing form.