S1·E53 Blue, Black and Blue

Goku overwhelmingly dominates in his battle against Blue! Beaten about, Blue uses his psychic powers to paralyze Goku, and pulls out a rifle! Goku is in a pinch!! But Blue is surprised by a mouse that passes by, and his psychic powers are undone! Counterattacking, Goku KO’s Blue!! Bulma and Kuririn try to escape in a pirate submarine, and Goku follows after them once he’s found the Dragon Ball. The cave is about to collapse.