Dragon Ball Z Kai

Goku is back, now married and has a son, Gohan, but just when things were calm and settled a new threat comes which creates adventures and uncover the truth about Goku's origins as a Saiyan, a near to extinct race. Facing enemies far more powerful then before Goku needs to train harder and reach limits he never even dreamed of since what is at stake is the World itself.

Synopsis from Anime News Network