What?! Krycek is a double agent?! I don't believe it. He wouldn't do so more than seven times!
So when Mulder finds out, he somehow manages to hijack a ute and escape the gulag (something no one else appears to be able to do) with Krycek, who then manages to escape from Mulder anyway. So, Mulder finds a group of Russian peasants, who somehow are able to smuggle him back to the US! Amazing! Of course, the last pieces of the black oil puzzle slip away from the agents each time as they almost close in on its location. What a surprise.
Poor old Krycek has the toughest time, having his arm forcibly sawn off by crazies in the Russian forest to "save" him from having black oil experiments performed on him. Poor old Krycek... 3/5