What happens
Tarzan and his companions are held in the tower of the sun in the forbidden city of Opar. Akeiru offers to help them escape if Tarzan will help recover the Father of Diamonds from Tiras quarters, where she has concealed it. Tom and Darno set out through a secret passage to retrieve the gem, facing a giant king cobra along the way. Meanwhile Tarzan moves through the tower to free Helen and Margaret, who are held as sacrifices to the Hessehorian god Ma Chiu. The episode is part of the Tarzan series, which aired on 1935-06-20.
The forbidden city of Opar, including the tower of the sun and the chambers of Queen Tira
Characters: Tarzan, Tom, Darno, Akeiru, Tira, Helen Gregory, Margaret, Hakiru
Listen for: The tense confrontation with the king cobra in the narrow passage, and Tarzan's silent struggle with the guards in the tower
Written from the episode itself; it never gives away the ending. Every recording is remastered for the stream: cleaned of rumble, hiss and mains hum (and the old TV whine where we found it), then levelled in two passes to steady broadcast loudness, so one show is never quieter than the next.