Holly and T-Shirt return to Professor Sparkes lab with the crystals, unaware that he is still under T-Bag's control. T-Bag learns that the booster is finally ready, but it will take time to power up. With the booster nearly at optimum efficiency, the race is on to complete the jammer neccesary to destroy T-Bag before she is able to enslave the world with her hypnotic spell...but can Holly and T-Shirt succeed?