UNCOVER! The Darkness Unvielded!
S5:E8
2009
IMDb
In order to lure Zuuma out, Radock, Abel, and Lina's crew go on a business trip. While they stop, Zuuma, Gduza, Duguld, and an army of monsters attack. Lina and company learn that Radock was Zuuma all along, but he is killed by Xellos.