The spiritual leader of an oriental country is dying. The leader's evil brother Khan is plotting to prevent Kashi, the youthful heir, from assuming his rightful position. Tarzan is summoned to protect Kashi and, in doing so, he must face Khan in three tests of strength.
Unfortunately the movie Tarzan's Three Challenges is not yet available on HBO Max.
| Directing | Robert Day | Director |
| Camera | Ernest Day | Camera Operator |
| Crew | Roy Whybrow | Special Effects |
| Costume & Make-Up | Freddie Williamson | Makeup Artist |
| Directing | Lee Turner | Script Supervisor |
| Writing | Edgar Rice Burroughs | Characters |
| Writing | Robert Day | Writer |
| Writing | Berne Giler | Writer |
| Editing | Fred Burnley | Editor |
| Camera | Edward Scaife | Director of Photography |
| Art | Wilfred Shingleton | Production Design |
| Sound | Joseph Horovitz | Music |
| Costume & Make-Up | John Brady | Costume Design |
| Crew | Cliff Richardson | Special Effects |
| Sound | Chris Greenham | Sound Editor |
| Production | Sy Weintraub | Producer |
