The Spirit Cannon Dragon Ball: Doragon bôru : Season 1 Episode 100

To test Goku’s ability, Tenshinhan uses his still even more secret technique, the Shiyou-ken! Two arms appear from his back, and Tenshinhan attacks with all four arms!! But Goku continues his attack without even flinching! In order to decide the match, Tenshinhan resolves to use his ultimate secret technique, the Kikouhou (Energy Cannon)! It’s a frightful technique that has destructive power many levels greater than the Kamehameha! The arena is then completely blown away by the Kikouhou!!