Goku and Krillin! Back to the Old Familiar Training Ground!.Goku seeks a sparring partner to train with, but mostly everyone is unavailable. Goku takes Goten's suggestion to ask Krillin, who is still working as a police officer. Krillin is grazed by a bullet during a shootout with a pair of burglars who Goku easily disarms. Krillin declines Goku's offer to spar, having gave up martial arts since he knows he would be no challenge for Goku...