A serial in 12 chapters. Tarzan goes to Guatemala to find his lost friend, D'Arnot. On the way he helps Major Matling search Mayan ruins for hidden jewels and an idol containing the formula for a powerful explosive. D'Arnot and the idol are rescued, but the idol falls into the clutches of the explorer Raglan.

A man raised by gorillas must decide where he really belongs when he discovers he is a human.

Tarzan returns to his homeland of Africa to save his home from destruction.

A missing heir of respected Scottish family, raised in African jungles by animals, finally returns to his estate only to realize that difference between the two worlds is really significant.

In 1919, a British expedition in the Antarctica region is searching for a lost American explorer and finds a hidden prehistoric world instead.

A Victorian era scientist and his assistant take a test run in their Iron Mole drilling machine and end up in a strange underground labyrinth ruled by a species of giant telepathic bird and full of prehistoric monsters and cavemen.

During World War I, a German U-boat sinks a British ship and takes the survivors on board. After it takes a wrong turn, the submarine takes them to the unknown land of Caprona, where they find dinosaurs and neanderthals.

Tarzan is summoned to Brazil by an old friend to stop an evil tribal cult from destroying native villages and enslaving the survivors. The Lord of the Jungle is accompanied on his quest by a pretty blonde doctor, a boy and a grizzled sea captain.

Tarzan battles a megalomaniac millionaire named Vinero, who kidnaps a young boy whom he believes can lead him to a legendary city of gold. Vinero is accompanied by his own army, including henchman Mr. Train and gorgeous Sophia.

The spiritual leader of an oriental country is dying. The leader's evil brother is plotting to prevent the youthful heir from assuming his rightful position. Tarzan is summoned to protect him and he must face three tests of strength.

Summoned to India by a dying maharajah, Tarzan attempts to remove an elephant herd from a valley to be flooded upon completion of a modern dam.

A clever crook and a romantic triangle complicate Tarzan's efforts to bring a wanted criminal to justice.

Four British villains raid a settlement to obtain explosives for use in a diamond mine. In doing so they nearly destroy the settlement, so and Tarzan pursues them to their mine.

A doctor calls on Tarzan to topple the native witch doctor whose black-magic remedies are killing patients.

Tarzan leads five passengers from a downed airplane out of the jungle. En route white hunter Hawkins tries to sell them to the Oparian chief.

Tarzan fights White poachers who trespass on his domain and on lands belonging to the native Sukulu tribe.

Ivory poachers, headed by Lyra the She-Devil, Vargo and Fidel, capture a native tribe to carry their loot. Tarzan intervenes and is captured.

Tarzan acts as a guide for two British government agents recently arrived in Africa to secure a great cache of diamonds for the English military. However, the agents are not what they seem.

Escaped convicts are selling weapons to a warlike native tribe.

The Lionians, a tribe of lion worshippers, make a desperate attempt to find a cure for the mysterious disease plaguing their village. Their Chief decides to kidnap Jane and Lola, a half-breed nurse, in order to help repopulate his civilization. Tarzan must rescue them while fending off blowgun attacks from people called the Waddies who are disguised as bushes.

An expedition tries to enlist Tarzan's help in finding the secret Blue Valley, which legend says is the location of a miraculous fountain of youth.

A high priest tries to force a young beauty to marry a pearl trader who is masquerading as the god Balu.

A shortage of zoo animals after World War II brings beautiful animal trainer Tanya, her financial backer and her cruel trail boss to the jungle. After negotiating a quota with the native king, they take more animals than allowed. Tarzan intervenes.

A tribe devoted to the leopard cult is dedicated to preventing civilization from moving further into Africa.

A group of archaeologists asks Tarzan to help them find an ancient city in a hidden valley of women. He refuses, but Boy is tricked into doing the job. The queen of the women asks Tarzan to help them.

Lois Lane and an explorer set out on an expedition through an underground cavern and discover a race of hawk-men. When these creatures prepare a ritual sacrifice for the adventurous pair, Superman comes to the rescue.

Zandra, white princess of a lost civilization, comes to Tarzan for help when Nazis invade the jungle with plans to conquer her people and take their wealth. Tarzan, the isolationist, becomes involved after the Nazis shoot at him and capture Boy: "Now Tarzan make war!"

A letter from Jane, who is nursing British troops, asks Tarzan's help in obtaining a malaria serum extractable from jungle plants. Tarzan and Boy set out across the desert looking for the plants. Along the way they befriend a stranded American lady magician.

Dr. John Meredith has been driven from civilization by the criminal activities of his twin brother Bradley Meredith. With his infant daughter, he settles in the African jungle, where his ability to cure the native ills has resulted in his virtual control of the Masamba tribes, who possess vast diamond mines coveted by a gang of crooks.

The idyllic life of Tarzan and Jane is challenged by men on safari who come seeking ivory, and come seeking Jane as well.

A trader and his daughter set off in search of the fabled graveyard of the elephants in deepest Africa, only to encounter a wild man raised by apes.

Flora Hawks is in love with the overseer of Tarzan's African estate. After a search for a legendary city of diamonds, Tarzon races with his pet lion Jad-bal-ja to save Haws from being sacrificed to a lion-god.

When Jane is abducted by Arab slave traders, Tarzan comes to her rescue, only to see her kidnapped again by Queen La of Opar. To save Jane, Tarzan must battle both the queen's minions and William Clayton, who seeks Tarzan's family title.

Tarzan's son, Jack, escapes captivity and retreats into the jungle with an ape, where he finds love in unexpected places.

A female ape takes to mothering the orphaned boy (Tarzan) and raises him over the course of many years until a rescue mission is finally launched and the search party combs the jungle for the long-time missing Lord Greystoke. But then, one of the search members, Jane Porter, gets separated from the group and comes face to face with fearsome wild animals. Tarzan saves her from harm just in the knick of time and love begins to blossom.