VFX Legion Completes ‘Madam Secretary’ Series Finale, Wrapping Its Third Season, Digitally Taking the Show Where Film Was Unable to Go The LA/B.C.-based Company Caps Off Work on The Political Drama with Large-Scale CG VFX for the Series Finale and Releases a Break-Down Reel Showcasing Some of the Trickiest CG Shots Its Team Created for CBS’s Political Drama.