Tarzan and the Diamond of Asher is an exciting Old Time Radio serial adapted from the novel, Tarzan and the Forbidden City by Edgar Rice Burroughs. First aired on May 14, 1934, the show follows the thrilling adventures of the immortal character Tarzan, Lord of the Jungle, as he navigates through intrigue, mystery, and danger in the heart of Africa.

Set deep within an extinct volcano, where the Forbidden City of Asher lies, two safaris face hardships and perils in pursuit of their individual missions. One safari seeks to rescue the leader's son, while the other, led by a cunning and unscrupulous Oriental, hunts for the elusive Father of Diamonds. The show aired on Mondays, Wednesdays and Fridays, totaling 39 15-minute episodes, directed by Fred Shields and narrated by John McIntire.

Created by American author Edgar Rice Burroughs, Tarzan has remained an iconic figure in literature and radio, captivating audiences with his thrilling adventures and heroic nature. Burroughs, who originally found success with the 1914 novel Tarzan of the Apes, continued to write numerous Tarzan novels and other fantastical adventures that still endure today.