After a year of peace Power Prof. Returns. Sarah, who has been training along with the Eds, was the first to fight Power Prof. After being nearly killed, Ed discovers this and becomes a Super Saiyan at last. Ed doesn't know how to control his power, so he becomes evil. Goku teaches Double D how to use the Spirit Bomb, so he can beat Power Prof. This movie is non canon. It is rated PG due to intense violence and mild swearing on occasion.