The Ultra Mini Warriors and the Ultra Ultra Mini Warriors work together, using the power of addition, subtraction, multiplication, and division to transform all the Worry Aliens back into Worry Eggs. However, a new Worry Alien, the "Evil Fruit King," makes his grand entrance. The chaotic powers of Queen Want and Meng cause the Ultra Mini Warriors and the Worry Aliens to frequently swap bodies. Meanwhile, the crazy Spin Baby returns to cause more trouble, and the Ultra Troublesome Warrior stirs up major chaos once again. The positive-energy Dr. Girl leads the Ultra Mini Warriors and the Ultra Ultra Mini Warriors to unite their efforts, defeat worry and trouble, and save humanity.