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In 1950 an hour-long animated version was made by Baptista Films. This version was edited down to 35 minutes and re-released with new music in 1978. As of 2007 the original version is difficult to find, but the 1978 has been released on both VHS and DVD.
Billy Graham Center at Wheaton College – they have the 60 minute version – https://www2.wheaton.edu/bgc/archives/guides/225.htm