An aquatic alien force is threatening Earth, A girl is kidnapped while hitchhiking, an Earth city is shrunken and abducted by aliens, a space shuttle's botched docking with a space station disastrously cripples their power systems.
First, the Super Friends defend Earth against the "Invasion of the Hydronoids." Then, after being rescued from a dangerous situation, Beth's friend Jodi learns never to "Hitchhike." Later, when an entire city disappears, the Super Friends must save the "City in a Bottle." Lastly, Hawkman, Hawkgirl and Wonder Woman react quickly to a "Space Emergency."