Watch The Adventures of Young Indiana Jones: Demons of Deception (1999) online

In the ninth film in the series, in September 1916, young Indiana Jones - going by the alias of "Henri Defense" - has become a motorcycle courier stationed near the trenches at Verdun. His friend Remy is still in the trenches, and both grow more disillusioned about the war each day. Chosen to sneak into enemy territory on account of his gift for languages, Indy overhears German officers speaking of the imminent arrival of their most powerful artillery guns, nicknamed "Big Bertha." A month ...

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