A water propelled toy torpedo including a main housing having an open forward end and an open rearward end. A battery pack is disposed within the main housing inwardly of the open forward end. A battery cap is disposed within the open forward end of the housing in communication with the battery pack. A forward portion has a micro switch extending forwardly therefrom. A motor is disposed within the open rearward end of the main housing. The motor is in communication with the battery cap. The motor has a shaft extending rearwardly therefrom whereby an outer end of the shaft is disposed outwardly with respect to the open rearward end of the main housing. A transparent cap portion couples with the open forward end of the main housing. The cap portion has an open inner end and a closed arcuate outer end. The arcuate outer end has a post extending inwardly from an inner surface thereof.