S1·E12 The Menace of the White Dwarf

A strange UFO penetrates Earth's air space. Along its flight path, it has managed to "pull up" and carry along a number of objects. Col. Wilcox explains to the Super Friends that the UFO snatched up a total of 14,000 tons. Superman soon learns that his old arch-enemy Raven is behind these strange occurrences. The evil scientist Raven has escaped from prison to take revenge.