The Son of Tarzan 1920 is a 15chapter film serial which focuses on the coming of age of Jack Clayton, also known as Korak, the son of Tarzan and Jane. The serial was produced by David P. Howells, written by Roy Somerville based on the 1915 novel The Son of Tarzan by Edgar Rice Burroughs, and directed by Arthur J. Flaven and Harry Revier. The film was released starting in the summer of 1920, with the final chapter released in January 1921.
Jack escapes with Akut, and survives on his own in the wild much like his father before him. He is given the Ape name Korak, which means Killer in their language. Korak rescues Meriem, a young French girl held captive by Arab slave traders, and they grow to adulthood in the jungle. Paulovich hopes to receive a ransom from her wealthy parents for her return as well, and attempts to capture both of them.Eventually Paulovich lures Jane to Africa in order to extort a ransom, but Tarzan soon follows. Tarzan and Jane, living at their African estate, find Meriem and informally adopt her. They discover her parentage and send for her father. The film climaxes with a battle pitting Korak against Paulovich, his henchmen and the slave traders. An elephant rescues Korak, who is bound to a stake, and he and Meriem are reunited with their parents, and all sail for England. ........
Source: Wikipedia