Plot
When a spaceship crashes near Gotham City, Batman and Robin investigate and find an injured alien explorer who explains that he had captured a Kraal, a creature that can exist as one or three separate entities. The alien informs the duo that the individual Kraal can absorb electricity, heat, and water, but he passes out before telling them what happens with the three are joined. After the alien is taken to a hospital, Batman and Robin try to recapture the Kraal. After Batman and Robin capture the first two Kraal, the alien recovers and seems intent on joining the three together. Batman determines that when combined the Kraal becomes a powerless creature, and helps the alien complete his plan.