Searching for the lost city of Tobanya, Dr. Hayden, his daughter, Leslie and his assistant, Link Simmons, discover their first clue in uncharted water...
Mu-tan and his pirates board Dr. Hayden's boat and take him and Leslie captive. Upon surfacing, Link goes to their rescue, only to be thrown overboard...
Link is attacked by a shark while swimming to the nearest beach, but manages to frighten him away. He reaches the beach, where a leopard finds him and...
After collapsing on the beach, Link is found by Morgan. Out at sea, Dr. Hayden tells Mu-tan where the lost city of Tobanya is, but only after Leslie i...
Morgan and Chongo find Link Simmons on the beach, where he had collapsed. At first, Link is afraid of them, but Morgan tells him that they were mercha...
Morgan and Chongo show Link the traps set all over the island by the headhunters. In their travels, they come across these traps and Link is saved by ...
Surrounded by headhunters, they (Link, Morgan and Chongo) must fight the natives. They manage to escape with the natives in pursuit. After a few harro...
Upon reaching the shore of the island where Dr. Hayden had told them they would find the lost city of Tobanya, Mu-tan threatens Dr. Hayden with his li...
Upon returning to their cave, Morgan, Chongo and Link are attacked by some natives who were waiting for them to return. After a good fight, they rid t...
Chongo has discovered a ship anchored off the island. He, Morgan and Link run to the beach where they find Mu-tan and his pirates. They scare them off...
Dr. Hayden and his daughter, Leslie, begin their journey to the cave with Morgan, Chongo and Link. After a dangerous trip, they return to the cave.
In the cave, Dr. Hayden finds his brother's map, which shows where the lost city of Tobanya is located. Suddenly, the earth begins to shake...an earth...
When the earthquake subsides, Morgan, Chongo, Link and Leslie try to rescue Dr. Hayden, who is trapped in the cave under tons of earth and rock. Chong...
Dr. Hayden, Morgan, Chongo, Link and Leslie travel down the river in their makeshift boat as far as they can, and then start through the jungle. One o...
Link is hanging dangerously at the edge of the falls. Morgan luckily reaches and saves him just in time. They continue through the jungle, all the tim...
Morgan, Chongo, Link, Leslie and Dr. Hayden make their way to a deserted village. They think they will be able to take refuge there for a while, but M...
Morgan, Chongo, Link, Leslie and Dr. Hayden are all Mu-tan's captives once again. Dr. Hayden reassures his group that Mu-tan needs him to read the map...
While Dr. Hayden is double-talking Mu-tan in the reading of the map, the others manage to escape from their bonds. They fight off the pirates. Mu-tan,...
Morgan tries to pull Link out of the dangerous waters. Unable to help him, he jumps into the water and wrestles with the alligator, saving Link. He ma...
Continuing through the jungle after Mu-tan, Morgan and Link catch up to him, only to see him held captive by the Skeleton Men. They are also spotted, ...
Dr. Hayden returns to discover Leslie is gone. He immediately goes into the jungle to search for her. Meanwhile, Morgan and Link are being chased by t...
Morgan, Chongo and Link fight the Skeleton Men and manage to escape into the jungle. Leslie is brought to the hideaway cave of the White Savages and i...
Morgan, Chongo, Link and Dr. Hayden continue searching for Leslie. They stop to rest a moment and are spotted by the White Savage guards. They manage ...
Since the map contains the key to the only path to the sea, they decide to retrieve it and arrive at the ravine where Mu-tan had dropped it. They spot...
A fight begins between Mu-tan and his Skeleton Men and Dr. Hayden, Morgan, Link and Chongo. Mu-tan escapes, but drops the map in the river. After defe...
Mu-tan returns to the Skeleton Chief to demand more men. The Chief grants his request, but orders Mu-tan to capture Dr. Hayden and his party or die. A...
Dr. Hayden, Leslie, Link, Morgan and Chongo are attacked by a swarm of bats, but manage to escape. They reach the end of the cave and then travel thro...
Mu-tan plans to throw his captives into the lions' den. The Chief of the Skeleton Men intervenes and orders one of them to fight Mu-tan. Link is chose...
In the life or death tug-of-war between Link and Mu-tan, Link manages to overpower Mu-tan, but spares his life. Dr. Hayden and his party are freed by ...
Mu-tan takes Dr. Hayden and his party on board his boat. A proposition is made to Dr. Hayden by Mu-tan...that he helps Mu-tan find the treasure in the...
They all return to the island to retrieve the treasures of the Lost City. They are spotted by the Skeleton Men. Chongo creates obstacles to slow down ...
Finally, they reach the lost city again. By carefully studying the map, Dr. Hayden leads Mu-tan to the treasure. As Mu-tan counts his gold and jewels,...
Mu-tan has to turn over his gun to the Skeleton Men. While their attention is drawn to the others, Chongo disguises himself as a Skeleton Man and succ...
Dr. Hayden, Morgan, Link and Chongo are fortunate enough to escape the cave, leaving Mu-tan and his men behind as prisoners of the Skeleton Men. They ...
Chongo had managed to climb high on the rocks while the Skeleton Men surrounded the others, and threw a net over the group closest to his friends. In ...
As they approach Mu-tan's boat, they are spotted by Leslie's captor, and he begins shooting at them. Chongo and Link swim to the boat and rescue Lesli...
