S1E91 : Counting Controversy!!

The Kamehameha that Kuririn fired hits Chiaotzu head-on! Angered, Chiaotzu uses his psychic powers to prevent Kuririn from moving, and attacks him! But Kuririn realizes that Chiaotzu releases his psychic powers through his hands, and instantly throws out a math question! He then defeats Chiaotzu as Chiaotzu tries to use his hands to do the calculations!! That night, Goku is attacked by the Crane Hermit! However, Tenshinhan enters and stops him, vowing that he will defeat Goku in their match!!