Air date: 4/5/10

Shaw is emotionally devastated after he finds out that Sarah murdered his wife. He goes off with Sarah, who is completely unaware. Chuck assembles a strike team to rescue her, and although Shaw does not cause Sarah any harm, things get complicated when the team infiltrates the Ring's headquarters in an attempt to capture the director. Morgan leaves the Buy More again, this time hoping to become a part of Team Bartowski. A shocking revelation occurs when Morgan sees surveillance footage from the team's mission in the headquarters, and notices that a fight between Shaw and some Ring operatives appears to be staged. Casey is reinstated by General Beckman. Shaw is shown to have defected to the Ring, and when he tries to kill Sarah, Chuck shoots Shaw and kills him.

Chuck vs. the Honeymooners

Air date: 4/26/10

While travelling to Zürich (trying to escape their spy lives), Sarah and Chuck realize they’re traveling on the same train as some Spanish spies, including an assassin named Diego. Even though they’re all alone, they decide to take on these rogue agents behind each others back. They each realize that the other is also on the case and work together, posing as a Texan Couple on their honeymoon. Of course, this impromptu mission doesn’t go smoothly as it turns out that the "Spies" accompanying Diego are actually Undercover Interpol Agents guarding him. Meanwhile, Beckman orders her newest "unlikely" spy team – John Casey and Morgan Grimes – to track down the missing couple. The duo succeeds and they catch up with Chuck and Sarah, just in time to help them fight off true Russian Spies who used to work with Diego (and are now trying to eliminate him). Meanwhile, Ellie is upset Chuck doesn't come for her going away party. In the end, Chuck and Ellie reconcile and he and Sarah agree to date and be Spies at the same time. They are saved from being reprimanded by Beckman by Morgan, who gives a heartfelt speech to the General.

Chuck vs. the Role Models

Air date: 5/3/10

Chuck and Sarah are assigned to train under Craig and Laura Turner, a married CIA team who, despite their impeccable record, hate one another. The Turners' stormy relationship forces Chuck and Sarah to wonder if they're doomed with the same fate. Meanwhile, Casey must train the newest member of the team - Morgan.

Chuck vs. the Tooth

Air date: 5/10/10

Chuck struggles with disturbing dreams and believes his most recent dream predicts danger for the President of Zamibia, who is visiting the country. General Beckman, however, is unconvinced and assigns Chuck to meet with a CIA psychiatrist Dr. Leo Dreyfus. Meanwhile, Ellie and Devon have returned from Africa, due to the Devon contracting a disease resembling malaria. It was revealed that a Ring Operative named Justin, posing as a ranger in Africa, deliberately infected Devon with the disease, in order to secretly coerce the couple into returning to the USA. Justin then surprises Ellie when appearing at the Buy More, and tells her that he is a CIA agent working to protect her father, Stephen Bartowski, from John Casey. He tells Ellie that John is a dangerous NSA agent, and uses her to lure Stephen out of hiding in order to carry out The Ring's agenda. Anna Wu returns to the Buy More to try and get Morgan back. It is revealed that the Intersect 2.0 puts stress on Chuck's brain that promotes mental deterioration.