For four seasons, Chuck has slowly grown from uber-nerd, fish out of water into a super spy. Even without the Intersect computer, Chuck is a force to be reckoned with because of all his training and experience. Moving the Intersect into Morgan is genius because it resets the clock. Chuck gets to see just how difficult he used to be for Sarah and Casey to deal with. The powers will seem fresh and original in new hands. And Morgan will be even more involved than ever before, just as he has promised to pull back from the dangerous stuff for the sake of Alex (Mekenna Melvin).
Chuck understands what Morgan is going through, he himself having had to lie and face tough decisions to keep his family safe. Not so long ago, Chuck promises his sister, Ellie (Sarah Lancaster), that he will give up the dangerous spy life in order to stay at home and be safe. Now that shoe is on Morgan's foot. What's more, with Alex's dad being Morgan's co-worker, it is not likely Morgan will be allowed to lie to Alex and keep his involvement secret the way Chuck has. Morgan will likely face a tough decision before long: Alex or the Intersect. Knowing Morgan, as much as he will enjoy his new abilities, he will make the right decision in the end, and that's Alex.
It seems the threat Vivan and Alexei Volkoff pose is now at an end. With Alexei restored to his peaceful self, and father and daughter pursuing the quiet life, they are not likely to be a threat, though one hopes they will be pop back up before series end.
Instead, Clyde Decker, as well as what he represents, will be Chuck's biggest worry. Decker tells Chuck in "Chuck Versus the Cliffhanger" that everything that has happened to Chuck is part of a master plan. Chuck has faced down a number of villains, and fought with his family and himself to be who he ultimately has become. Now Decker says that's exactly what he wants. Will Chuck find out who is behind everything and why? How will that impact Chuck's life going forward? What is the end goal of such a plot?
Whatever Chuck faces, it is nice to know that the Buy More is secure. When Chuck turned more serious in the spy game, the goofy electronics store with its bizarre employees, including Jeff (Scott Krinsky), Lester (Vik Sahay), and Big Mike (Mark Christopher Lawrence), continued to be a grounding presence. No doubt, now that Chuck owns the franchise, he will be drawn closer than ever to the demented trio. They are not just comic relief, though, but also provide a tether to the real world, even when not appearing to live in it themselves. The Buy More is a quirky element that sets Chuck apart from any other series on the air, and it's a relief to know that will not be changing.