Tarzan is in civilization, ready to turn his back on his title but a nasty encounter with Nikolai has repercussions. Arms dealer Nikolai and his henchman kidnap Colette, intending to sell her in Africa. Tarzan and his friend Philip are also captured but they escape, with Tarzan intending to stop Nikolai and his nefarious plans. A giant snake stands in his way.
We begin with Tarzan freeing himself from the inside of a giant snake. Tarzan than follows Rokoff, who has teamed with Queen Mara of the Flesh Eaters at the earth's core. Tarzan must defeat them and close the portal to the surface.
Tarzan has a chance reunion with an old friend Kali but he learns she has replaced him as the protector of the Wogambi people. Tarzan must also battle with the Leopard Men.
Tarzan discovers a hidden Roman society deep in the jungle, complete with armored soldiers and a gladiator arena. Tarzan is forced into several to the death combats but also inspires a revolt against a tyrannical ruler.
Tarzan encounters Emma after she crash lands her plane on the way to meet her friend, Dr. Albert Verpa. Tarzan escorts her the rest of the way, dodging a war between the Ungallis and the Lizard people. Dr. Verpa has discovered an evil to get blood red diamonds.
Tarzan's good friend Temba is the latest victim of the plague that is sweeping through the jungle. Tarzan journeys to the Land of the Mists to find a special flower that is a cure but loses his memories in doing so.
Tarzan has a spell cast on him, dividing his characteristics, one more primitive than the other. As he searches for the cause he is guided by Nomphi to Queen Thalia's underground world. He must defeat her to become whole again.
Tarzan and Themba learn of a half ape, half human tribe in the land of Opar and seek them, believing they have Jane. Tarzan is captured and the fully human La desires him. Tarzan has a showdown with head beast Cadj to free Jane.
During a solar eclipse in the land of Zadu, Tarzan risks having an evil spirit overtake him and other members of the Zadu tribe. La - High Priestess of Opar helps with the solution.
Tarzan faces an old enemy, Zimpala who is seeking revenge on Tarzan because Tarzan killed Zimpala's brother. The brother had killed Tarzan's ape mother.
A strange snake bites Tasi. Tarzan contacts a lost Mayan tribe that can cure her. However, they mistake him for their snake god Kukulcan. Their evil shape-shifting snake cult leader uses this to gain power. Also, Jane is getting married.
Tarzan saves an old seer from drowning. He turns out to be a powerful trickster, and challenges Tarzan to fetch him a pebble from the place of introspection. Themba tries to teach kids Latin, but all they want to hear about is Tarzan.
Pirates raid Tasi's village and steal the totem of the Moon God that the villagers need to elect their new chieftain. Themba is blamed, so he vows to bring it back. Tarzan realizes that the pirate girl who led the raid somehow knows him.
Tarzan's explorer friend Brian tries to locate Ashar, a mythical city supposedly protected by an object called the Father of Diamonds. When he goes missing, his sister asks Tarzan to help her find him. A greedy treasure hunter joins them.
Tarzan's friend Kali is haunted by the leopard demon, so Tarzan, Themba, Vusi the seer, Kali's alcoholic father and a greedy big game hunter team up to save her. Tarzan also deals with his past when he finds his father's Bible.
Tarzan and Themba are separated during a cave in, with Themba trapped under rocks. While Tarzan tries to reach him, both men relive past experiences and Tarzan faces his biggest fear.
The women of the jungle village are disappearing and when Tarzan investigates, he goes through a portal to another planet. There he encounters earthling adventurer Carson and purple skinned people who ride dirt bikes.
Young shaman in training botches a magic ritual that turns Tarzan's rage into a separate demonic entity that haunts him. Meanwhile, the village teacher clashes with Tarzan over whether or not the boy should be thought Western education.
Tarzan joins the expedition of Lyle Drake to a remote part of the jungle to clarify rumors regarding a giant serpent. Unexpectedly the group encounters a prehistoric man and Tarzan joins with city girl Alfie to allow Grok remain free. Drake is equally determined to capture him.
Tarzan leaves the jungle to visit his cousin but while on the train his death is foretold and his cousin goes missing. Tarzan encounters sinister characters, black magic and animal smuggling which has him ready to leave civilization.