Air date: 5/17/10

Chuck dreams that Daniel Shaw is still alive, and things become awkward between him and Sarah during the investigation, when Casey goes through files and receipts describing Sarah and Shaw's trip to Washington DC together weeks earlier. Stephen Bartowski returns and learns that Chuck downloaded the Intersect 2.0. He tells Chuck that he has created a device - The Governor - to calm the mind and prevent the intersect's negative side effects. It is revealed that this is why The Ring wanted Justin to capture Stephen Bartowski - to take the Governor and use it to support the brain of their own human intersect, Daniel Shaw.

Chuck vs. the Subway

Air date: 5/24/10

Chuck sees Shaw in a Los Angeles subway train, and the team works to find out where he was going and what he was doing. While following Shaw's tracks, they enter a building through the subway that appears to belong to the CIA. It is revealed that this is where Ellie has been meeting with Justin regarding her father, and the team walk in on a Joint Chief conference during which General Beckman was testifying regarding whether or not Operation Bartowski was becoming a liability. Ellie becomes aware of Chuck and Sarah's lives as spies. It is revealed that The Ring has taken control the CIA and NSA, and General Beckman is apprehended. Casey reveals who he really is to his estranged daughter, Alex. After giving the Governor to Chuck, Stephen is murdered by Shaw. Shaw then takes the Governor from Chuck and captures him, along with Sarah and Casey. Morgan and Devon are told by Beckman that they are the team's only chance of being saved.

Chuck vs. the Ring: Part II

Air date: 5/24/10

After being saved by Morgan and Devon from Daniel Shaw, the team is out of harm's way and Chuck finally meets with Ellie to explain his spy life to her. They decide that after they have taken down The Ring, Chuck's spy life is done. The team learns from an imprisoned General Beckman that the Ring leaders, known as the Elders, are going to be at a special conference to take over the CIA and NSA. Team Bartowski is able to capture the Elders and expose Shaw. Chuck suffers a brain attack when flashing on Kung Fu, and wakes up in Castle, where he is being cared for by Sarah. Shaw escapes and comes to the Buy More and demands that Chuck face him. Meanwhile, Big Mike, along with Jeff and Lester, get in serious trouble when they get a call from a contact they have in Corporate informing them of the imminent closing down of the Burbank Buy More. While Shaw rigs the building with explosives and loses the detonator. Jeff triggers the emergency system in order to get everyone out of the store, after employees from Corporate enter, looking for Big Mike. They are furious and confused because all the merchandise in the Burbank Branch was meant to be transferred over to Beverly Hills. Chuck and Shaw finally confront each other, and after they each have a Kung Fu flash, a battle of the intersects commences - Chuck wins. Morgan finds the explosives' detonator and accidentally drops it, which rigs the bombs and causes the store to explode. Chuck, Sarah, Morgan, Casey, Alex, Devon, and Ellie get together for a funeral service for the death of Stephen Bartowski.