The Man-Beasts of Xra, Prejudice, The Tiny World of Terror, Tibetan Raiders

When animals begin vanishing from a zoo, Superman, Batman and Robin investigate and discover "The Man Beasts of Xra." Next, the Wonder Twins help two white teenagers learn the folly of "Prejudice." Later, the Super Friends rush to the rescue when a new invention creates a "Tiny World of Terror." Lastly, Superman and Flash save a group of stranded travelers from the menacing "Tibetan Raiders.