Super Dragon Ball Heroes: Big Bang Mission Episode 18 English Subbed Episode Title:The Obstructing Threat of Fu! Birth of the Miraculous Strongest Combination!Episode Description:Fu reveals that his new, youthful appearance is a result of his merging with Doki-Doki, which allowed him to break free of Demigra's Time Labyrinth. Goku is joined by Vegeta, Xeno Goku, and Xeno Vegeta, the latter two having also escaped from the Time Labyrinth. The alternate Broly arrives and attacks the other Saiyans, but Hearts and Cumber arrive to intercept him. Goku and Vegeta fuse back into Gogeta, while Xeno Goku and Xeno Vegeta fuse into Xeno Gogeta; they then power up to Super Saiyan Blue Evolved and Full-Power Super Saiyan 4, respectively, before challenging Fu...