Gilligan is bitten by a bat and becomes obsessed with becoming a vampire because of it. He moves away from the rest of the castaways into a cave on the other side of the island. Gilligan then has a nightmare about being the Count living in a castle in Transylvania.

While fishing Gilligan reels in a crate of vegetables. The castaways are astonished at some of the properties of the vegetables until they discover that they are radioactive.