GSI Presents: Chuck – Season 4 Episode 3 – Chuck Versus the Cubic Z – 10/4/2010 

Chuck and Sarah's rivals Hugo Panzer and Heather Chandler return bringing plenty of trouble and hints about Chuck's mom. Meanwhile, while Morgan prepares the Buy More for a huge video game release, he gets a surprise from Big Mike.
Keywords: television, chuck, s04e03, chuck versus the cubic z