MegaMan NT Warrior - Season 1 Episode 48 The VirusBeast!
Overview: The mysterious Bass floats over NetCity, watching as the Grave VirusBeast rampages on the loose, devouring NetNavis and growing in size! Even with ProtoMan's help, Lan and MegaMan are powerless to stop the Beast from swallowing their friends! Can anything be done to halt this monster before it consumes the entire cyber network? What role does the cryptic Bass have to play?!