Granny is mixing up a batch of her moonshine & Jethro is trying out his frogman outfit in the cement pond. When Granny walks by the pond she thinks Jethro is a sea monster. Later Jethro sets of a charge in the pond & blows himself out of the water.Mr Drysdale gives Jethro some 'Money Man' comics & Jethro wants to meet the Moon maidens. Jed tells Mr Drysdale about the problem with Jethro & He suggests the Army Reserve. Jethro decides he wants to meet the moon maidens & fixes a rocket to his back & using granny's moonshine for fuel launches himself into the air. He lands in the ocean & is rescued by the coast guard.