Plot summary
Indy (as Corporal Henri Defense) and Remy have enlisted and are attached to a Belgian company fighting in the trenches of World War I. After their unit suffers catastrophic losses, all of the officers are dead and Indy is the highest-ranking soldier left. Their unit is assigned an interim French commander, Captain Moreau, and are ordered to take a hilltop chateau, which they do with only thirteen survivors. The Germans counterattack and the hill is lost, Indy is captured, and Remy's whereabouts are left unknown.
Credits
Adapted from Wikipedia contributors, List of The Young Indiana Jones Chronicles episodes. HTML formatting and reference markers removed.