Scooby-Doo and Scrappy-Doo

Scooby of the Jungle (5x9)

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The kids head to the game preserve in the African jungle, to interview Mr.Rasheed and discover what is behind the disappearances of the jungle animals. With the help of Scooby's animal phrase book, the kids learn that some of the animals are being put into a trance after hearing a strange whistle.