A ragtag bunch of children and teenagers must work together, using a squadron of giant robots and a training ship, to travel back to Earth after their colony is wiped out in an alien attack.A ragtag bunch of children and teenagers must work together, using a squadron of giant robots and a training ship, to travel back to Earth after their colony is wiped out in an alien attack.A ragtag bunch of children and teenagers must work together, using a squadron of giant robots and a training ship, to travel back to Earth after their colony is wiped out in an alien attack.