Mulder and Doggett are reluctantly thrown together to investigate several deaths aboard an oil rig, and Mulder becomes convinced that the rig is really carrying the black oil alien.
Quest roles:
Mitch Pileggi(Walter Skinner), James Pickens Jr.(Alvin Kersh), Lee Reherman(Yuri Volkoff), Casey Biggs(Saksa), M.C. Gainey(Bo Taylor), Miguel Sandoval(Martin Ortega), Gregory Cruz(Diego Garza), Luis Villalta(Simon de la Cruz), Kevin C. Loomis(Chef), Steve Wilcox(Ed Dell), Rich Marotta(Hockey Announcer)