Continuity mistake: When Dorothy Lamour gets out of the water and confronts Bing Crosby and Bob Hope, she's supposedly naked and covering herself with leaves. But you can see the flesh colored bathing suit she's wearing bunch up at the hips while she moves. (01:10:22)
Continuity mistake: When Bing Crosby and Bob Hope discover the hut with the drums, look closely at the skeleton they play with closest to the stairs: obviously a prop skeleton, the arm bones are attached with very visible nails. (01:12:40)
Continuity mistake: While Dorothy Lamour watches Bob Hope and Bing Crosby sing as she is supposedly naked in the water, she swims away and you can see the dark bathing suit that almost blends in with the water as she swims away. (01:08:58)
Continuity mistake: While Bob Hope fights the giant ape, the ape pins him on the ground. His face is calmly turned away from the camera to hide the identity of the stunt actor. But in following close-ups, Bob is waving his arms and swinging his head back and forth. When it cuts to the wide shot, his identity is hidden and he's suddenly calmed down. (01:22:10)