Dragon Ball Z: Dead Zone

Piccolo is training at a barren cliff when a handful of mysterious enemies attacks and defeats him. These same enemies then go to Mount Paozu to steal Gohan Son's "Dragon Ball." Upon arrival, not only do they defeat Gokuu Son's spouse and father-in-law—Chi-Chi and Gyumao, respectively—but they also kidnap Gohan in the process.Feeling something isn'...