Sudden muteness, human bioluminescence and faucets running blood cause many of Eureka’s citizens to believe that they are the victims of a biblical plague.

The team finds a world that possesses Ancient defense technology, where Colonel Sheppard finds himself a pawn in the rivalry between the heirs to the throne.

At Chloe’s birthday party, a mysterious magician named Zatanna grants Chloe’s wish to be more like Lois and switches the two into each other’s bodies. Zatanna searches for her father’s…