So an alien creatures arrives on earth and clones Lana, takes her place at the beureau and angers Jackson by not being available. Clark is fooled a little but when the alien departs and doesn’t show up back at work Clark senses something and goes to the area where Lana is contained, busts down the walls and finds Lana and the alien on the floor. The alien slips up and Superboy realizes who is who and nearly gets killed. Lana intervenes and stops the alien who eventually disintegrares and all is well again. How is Lana going to explain this top Matt and Dennis, or even Clark?