Jungle Jim fights enemy agents who are trying to steal cobalt while disguised as crocodiles.
Practical Effects
Crocodile costumes that look like rejected pool floats
Acting
Weissmüller recycling every Tarzan mannerism he legally can

Director
Lee Sholem
Trivia, insights & behind the scenes
Weissmüller made 16 Jungle Jim films in 5 years, often shooting back-to-back in barely-altered locations.
The 'cannibal' marketing wildly oversold what is actually a white woman in tribal drag helping white men fight other white men.