Tarzan made his radio debut on September 10, 1932, and the show was unique in a number of ways. Rather than being broadcast live like other radio programs, the Tarzan show was prerecorded onto phonograph records, which were then shipped off to radio stations. The show boasted state-of-the-art recording technology and elaborate sound effects. Burroughs wrote that "They have injected all the jungle noises, including the roaring of Numa the lion, the screaming of Sheeta the panther, the cries of the bull apes, the laughing of the hyaenas, the rustling of the leaves, the screams and shouts." Radio supplied the sound ~ your imagination provided the pictures!

The Tarzan radio show received a live premiere at the Fox Pantages Theatre in Hollywood. Three thousand people attended the festivities (even Johnny Weissmuller showed up) and listened as the first show was aired, certainly a unique "live" broadcast. The show was sponsored in part by the Signal Oil Company, and at their gas stations you were able to pick up Tarzan puzzles and other promotions, while dad filled the car up with Tarzan gas.

Tarzan was broadcast nightly in fifteen-minute episodes and lasted for two years. Then Burroughs decided to try his hand at producing his own Tarzan radio show. The result was "Tarzan and the Diamond of Asher," an elaborate thirteen week serial broadcast in 1934. A second serial entitled "Tarzan and the Fires of Tohr" was produced, but apparently was never broadcast in this country! Both of these spectacular radio serials have been made available from Adventures in Cassettes , and are unlike anything heard on radio, before or since. Yet another Tarzan radio show debuted in 1951, this time a weekly half hour show, and this lasted until 1953. But by this time Tarzan was starting to get a little tired ...