Essentially Smallville is a SUPERBOY show without being able to actually call Clark Superboy...
That was its original brief, but for several years now, especially the past two seasons, it's been much more a veiled Superman show than a veiled Superboy show. All the Superboy trappings -- Ma and Pa Kent, Lana Lang, Pete Ross -- are gone now. Clark and Lois work at the Daily Planet
in Metropolis, and Clark is a member of the Justice League. In every respect except the name, the costume, the flying, and the glasses, it's already a Superman show.