Powered down and out of other options, Cell actives his self destruct mechanism causing him expand to balloon like proportions. With mere seconds left, Goku see the threat and heads out to the field. Goku says goodbye to his son and teleports himself... (more) and Cell to King Kai's planet, the only safe place he could think of, and Cell explodes destroying the planet and killing everyone there. While back on Earth Gohan is left to grieve, but his sorrow is short lived. As Cell is revealed to still be alive and beyond perfect.