On GSK's fifth season finale week next time:
-The final three episodes (at least for now) of "The Substitute".
-The Hub's new Sunday GS block debuts.
-Who will be the de-facto finalists on "Project Runway" competing at Fashion Week?
-Finalists are also determined on "Top Shot" & "Top Chef: Just Desserts".
All this & maybe a few other surprises next week on GSK.