Stream Imjin War - Japanese Invasion of Korea 1592-1598 Online Free – Watch Full Movie from Home at 123Movies. . Kings and Generals animated historical documentary series on the history of Japan continues with an episode episode on the Imjin War - the Japanese Invasion of Korea between 1592 and 1598, during which the armies of the Shogunate fought against the allied Korean and Chinese armies. This conflict is famous for many dramatic battles and sieges, and the naval heroics of the Korean admiral Yi Sun-sin.