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The Walkers uncover the mystery of Narrow Lake, while a car accident leaves several family members in peril on the fourth season finale.
The Walkers are heartbroken as they prepare to shut the doors of Ojai Foods for good, but new opportunities and secret alliances develop as a result of the family's loss.
Cooper acts out and Luc and Sarah hit a crossroads. Justin considers going back to war. Robert meets with a mysterious guy amid Kitty's run for Senate.
More than one member of the Walker family suspects she might be pregnant, Nora offers to take her aging mother in when it's discovered she has dementia, and Luc gets an exciting delivery in the mail.
Still reeling from his discovery of Nora's buried secrets, Kevin refuses to attend his own birthday party. Justin, Tommy and Kevin confront Dennis York.
A two-hour flashback episode shows us sides of the Walkers we never knew existed, while in the present day, they try to unravel the mystery surrounding Dennis York.
Kitty's newfound fame creates havoc for Luc and Sarah. Nora swallows pride and reaches out to Tommy to help save the company from the Walkers' nemesis Dennis York.
Luc's visa issues cause problems for Sarah. Rebecca wrestles with Justin and herself after their huge loss, Kevin may break up with Robert, and Holly thinks she finds the hidden value of Ojai.
Sarah rediscovers the love of her life Luc, Kitty makes a grand entrance in to politics, Justin and Rebecca face the struggles of impending parenthood, and Holly makes a tough decision.
Robert and Nora work as guest chefs in Scotty's restaurant. Kitty puts run for U.S. Senate up for a family vote. Sarah is frustrated with Roy but is later rewarded.
Sarah has a new romantic interest; Scotty and Kevin await the surrogacy results; Kitty and Robert reach another political impasse.
Sarah takes a shine to a divorced dad at Paige's school. Justin finds a way to overcome his learning difficulties.
A bone marrow transplant might be Kitty's best hope to beat cancer. Kevin learns something startling about Robert. Ryan is faced with a life-changing decision.
Justin and Rebecca's beachside wedding has the Walker family stunned. Tommy risks everything to have his daughter beside him.
Sarah is envious of Nora's budding romance. Justin has difficulty staying sober. Holly's financial situation continues to spiral out of control.
The family holds its breath as the company's fate hangs in the balance at the wine festival. Justin and Rebecca harbor huge secrets from one another.
Kitty is devastated when faced with visible ramifications of her cancer treatment. Nora makes a surprising friend with benefits. Scotty's dad delivers shocking news.
Gotta love the title of this week's episode. It's called "Zen & the Art of Mole Making."
This episode of Brothers & Sisters is titled "Last Tango in Pasadena." It's the fifth episode of the show's fourth season.
Gilles Marini guest stars on this episode. It's titled "From France with Love."
There's a surprise visitor this week on Brothers & Sisters. The hour is titled "Almost Normal."
Kitty struggles with her big secret on this episode of Brothers & Sisters. It's titled "Breaking the News."
"The Road Ahead" marks the opening of season four on Brothers & Sisters. Here's a rundown of events on it.