As revealed by director Ken Annakin on the DVD commentary, the trapped zebra was subjected to electric shocks to make it move about, a practice that is now illegal in Hollywood movies.
Swiss Family Robinson
After being shipwrecked, the Robinson family is marooned on an island inhabited only by an impressive array of wildlife. In true pioneer spirit, they quickly make themselves at home but soon face a danger even greater than nature: dastardly pirates. A rousing adventure suitable for the whole family, this Disney adaptation of the classic Johann Wyss novel stars Dorothy McGuire and John Mills as Mother and Father Robinson.
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