Jonas goes on a solo mission, enlisting the help of some local militants to hunt down a terrorist known as "The Butcher". Charles is still recovering in the hospital, Mack takes on the task of arranging Hector's final funeral preparations, with the help of the other wives and Bob has been ordered to deal with the rescued journalist. Ryan must deal with the man sent by Washington to oversee the cover story.
Mike Rowe rolls up his sleeves and gets dirty at a recycling center in San Francisco that requires their dump truck drivers to clean out the back of their dirty trucks after each shift. It's a dirty job that even Mike has a hard time completing.
Denny needs Alan's help after using an employee's weight as a reason for dismissal; Clarence is upset by an Internet posting of him as Clarice; Katie and Whitney work on a murder case involving racism and the police; and Jerry is anxious about taking a relationship to the next level.
Raj's parents set him up on a blind date, but just when he discovers he can talk to her, she shows interest in Sheldon.
Chuck must learn to balance a real love life with his cover love life when he meets a charming young woman by the name of Lou. At the same time, his relationship with Sarah gets interesting when the duo must explain their sexual relations with Ellie and Captain Awesome on a double date. Meanwhile, there is trouble when someone is using truth poison in order to retrieve codes for nuclear facilities.
Nancy has another full week of trouble to deal with and Doug isn't helping. Heylia teaches Celia.
Marshall awaits his bar exam results; Ted introduces his latest girlfriend to the gang, who all see the flaw that Ted has missed
Susan jeopardizes Michael's life as she puts her own escape plan into motion. Whistler's past catches up to his girlfriend.The Company goes after Lincoln and Sucre. Justice prevails for Mahone. And Lechero sheds light into an empty tunnel.
Charlie writes a children's song and finds success as Charlie Waffles. The children love him and the mothers seem to as well. Charlie's new found fame irritates Alan.
Audrey and Jennifer decide to do some match making and will be surprised at who is helped by it.
Sam learns that one of her ex-boyfriends has a restraining order out against her, while she is on a walk with Todd. She then wonders if her poor relationship with her father is the cause of her need for constant attention.
Caitlin falls in love with two different guys named Vince and Blake at the same time. Meanwhile, an old bickering couple get a new job at Burger Mcflipsters with Wyatt (Harvey Atkin guest stars as George Bickerson.)
Greg comes to stay at Chris' house while his father is out of town but Chris starts to have regrets. To make extra money, Julius drives taxis in his spare time where one of his customers turns out to be a fugitive.
Lauren and Whitney have to cover an event for Teen Vogue, where Lauren runs into Heidi and of course they fight again. Later on Heidi tries to make up to Lauren, but Lauren turns her down. Meanwhile Audrina and Justin still struggle in their undefined relationship.
A news report on a couple looking for their missing son, Ashley, brings a surprise for Sarah Jane (Elisabeth Sladen) when she discovers that the missing boy looks exactly like Luke (Tommy Knight). And when Mr Smith (Alexander Armstrong) confirms that Luke is a genetic match with Ashley, Sarah Jane sends him back to live with his 'parents'. With no knowledge of his former life, Luke finds it hard to fit in and, when he tries to escape, he makes a startling discovery about who his parents really are. Sarah Jane, meanwhile, makes some investigations into the Pharos Para-Science Institute – a research unit that has been conducting experiments using alien technology. Floella Benjamin guest stars as Professor Rivers.
Dog River has a sister-town in Japan, and Emma and Karen have to find an appropriate present to send after receiving and losing a gift from them. Lacey wants to make Corner Gas and The Ruby 'green' and drags a reluctant Brent into her plans. Wanda fills in as bartender at the Hotel, and starts doling out advice that no one wants.
As Phil and Lil's birthday nears, the twins realize that they are more different from each other than they think. Phil is getting to like girls, and Lil is wearing a pink training bra. After a shocking incident, they decide to have separate parties for the boys and the girls as they try to out-prank each other.
Aspiring fashion designers compete for an industry breakthrough. Each week, a designer is eliminated from the competition after exhibiting their work in front of a judges' panel.
Eight Canadians with poor driving skills are sent to an army base. They undergo challenges to enhance their driving abilities. Weekly, the most improved driver leaves. The last remaining participant is deemed Canada's Worst Driver.
When Darnell confronts Maya about not dealing with her recent loss he learns shocking news that Maya has been taking pills to help her deal with it. Meanwhile, At an Erykah Badu concert with Joan, Lynn's manager informs her about a record label wanting to sign her. William also fears that his sex life will change after Monica has the baby after receiving information from Darnell about how a womens body is after she gives birth.