Warning! Spoilers for Dragon Ball Super lie below!
Dragon Ball Super's latest episode "See The Wall That Must Be Passed!" packed in quality action and fighting. Episode 90 featured a classic father son duel, as Gohan seeked to show off his power to Goku, and fans got to see the legendary Super Saiyan Blue form.
Universe 7's ten-man team has been completed, Gohan is done training with Piccolo, and a captain has been named. The episode starts with Piccolo and Gohan challenging Goku and Tien to a fight, to test out their training. Gohan overwhelmed Tien as Piccolo charged up a special attack that nearly knocks Goku out of the ring. Tien retreats from the sparring and calls a time-out, stating that Gohan proved his power and training. This is not good enough for Gohan however, as he wants to test his power against his father.
With Tien and Piccolo stepping out of the ring, father and son face off, as Goku and Gohan have a one-on-one fight. Goku quickly into Super Saiyan 2 as Gohan goes into his Mystic Form. The two clash and it seems to be a stalemate. It seems that Gohan has gotten his power and mojo back, and is holding his own against Goku. Then Goku goes over the top, as always, and transforms into his Super Siyan Blue form and uses his Kaio-Ken attack. This overpowers Gohan, and Goku is victorious once again. Gohan however put on an impressive showing, and Goku acknowledges his progress. Since he is so impressed by his son he names him the leader of the Team Universe 7.