Go to Hell by Train!? MegaMan: NT Warrior : Season 2 Episode 39

Lan and Chisao are leaving a theme park on a train when SparkMan attacks the train's network. Sal has been tailing the NetNavi and sends WoodMan in to help with MegaMan. In order to delete SparkMan, MegaMan and WoodMan combine their powers to create WoodSoul.