Continuity: 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.
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Road to Zanzibar mistakes
Continuity: 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.
Continuity: 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.