When the new season begins, Castle is wrestling with how to repair his relationship with Beckett, while struggling to finish his soon-to-be-published bestseller, Heat Wave. But circumstances force the pair back together to investigate the mysterious murder of a man found dead, tangled in the limbs of a tree.
Blair, who is determined to maintain her Queen status in college, embarks on her first day at NYU, along with Dan and Vanessa. Unfortunately, Georgina turns up as Blair's roommate in the dorms, determined to make Blair a social outcast. As Serena prepares to depart for Brown, she and Chuck have a major falling out, so she recruits Chuck's enemy, Carter, to help her get even. Nate and Bree decide to explore their relationship further, knowing full well it could cause tension between their families who are political rivals.
While recording her new album, Haley must work to save Red Bedroom Records and enlists Mia's help to do so. Meanwhile, Brooke, with Millicent's help, searches for the new face of her clothing line Clay defends Nathan as the scandal continues to grow Julian and Brooke decide to move in together and Dan returns to Tree Hill with a new bride in tow.
When Sheldon learns the guys tampered with his expedition data he got from the arctic, he leaves to Texas in disgrace. This results in the guys following him, which threatens Leonard's hope for some romantic time with Penny and the guys' friendship with Sheldon.
House engages in a battle of wits and wills against the attending physician in charge of his detox program. When he starts to lose, House resorts to blackmail to gain the upper hand.
After sharing a kiss at the beginning of the summer, Robin and Barney are unsure how to handle their mutual attraction. After some consideration they tell the gang they have decided to remain just friends, but secretly continue seeing each other. They are able to get away with their secret romance for a couple months, but are discovered when Ted, Marshall and Lily walk in on them together. They explain to the gang that they are happy with their casual relationship, and didnt want to complicate it by defining it. This is unacceptable to Lily, who pressures them to label their situation, and ultimately locks them in Robins room to force them to address it. Meanwhile, Ted is anxious about his first days as a professor at Columbia, which is made worse when he shows up at the wrong class and starts his lecture.
Phineas and Ferb invent, scheme, and stay one step ahead of their bratty sister. Meanwhile, their pet platypus plots against evil Dr. Doofenshmirtz.
Sterling Cooper receives a surprise visitor Sally has been spooked by something or someone and Joan receives some shocking news.
Larry attempts a pre-emptive breakup with an ailing Loretta, and learns with Jeff that you cant make an empty gesture to a Funkhouser.
Adventures of a teenage pop star who keeps her identity secret from even her closest friends by using a disguise on-stage.
Eve is attracted to an Eastren European she meets at a club and soon becomes intimate with him. She inexplicably compares his DNA with semen found at a brutal cold case murder and it matches.
Conflict erupts between Ari and Lloyd when Drama wants to leave "Five Towns" for a role in the new "Melrose Place" series. Turtle's relationship with Jamie-Lynn Sigler is complicated by a tryst with a co-ed.
The New Jane discovers another friend of the Previous Jane, Judge Summers, and finds out Jane gave her a bad advice. Kim's client insists on Grayson taking her case. Someone very welcome returns to Jane, but it creates problems.
Life in the beautiful Cornish village of Portwenn has become ever more infuriating for Dr. Martin Ellingham since his and Louisa's heart-wrenching decision to call off their wedding.
Each week, six professional poker players battle in a winner-take-all game of No Limit Texas Hold 'Em for a prize of $120,000.
New servant Cedric muscles in on Merlin's position as Arthur's right-hand man, and turns the prince against his loyal friend. Merlin is convinced the slippery newcomer is up to something, and he is right - Cedric is a conman and a thief who is after a magnificent jewel, recently unearthed in a tomb far beneath Camelot. Little does he know, his precious prize is more dangerous than he could possibly imagine. Camelot has never been more vulnerable, but how can Merlin make things right when, thanks to Cedric, he might have lost Arthur's friendship for good Merlin faces the prospect of turning to the one creature he swore he would never trust again - The Great Dragon.
Money-saving meals are featured. Included: lemon chicken soup with spaghetti pea-pesto crostini lemon-mint cake with lemon syrup.
Carly and Sam use Spencer's spaghetti taco recipe in a competition with a TV Chef, and defeat him on his own show for the first time, sending him into what would seem like an inescapable depression. When they find out how severe his funk is, they try to help him out of it. But will their good deed lead to good rewards, or unleash the hidden wrath of a madman?