An anonymous Gossip Girl blast starts a very damaging rumor about one of Columbia's new students, Serena. On her path to greatness, Blair decides to take a class with a powerful businesswoman, Martha, who is guest-lecturing at Columbia, but a mysterious fellow student thwarts her plans to secure the prized position as Martha's assistant.
Chuck and Sarah try to become better communicators as they join Ellie and Awesome on a trip to Costa Gravas; a forbidden romance may put Morgan at odds with Col. John Casey.
A violent convict escapes from prison and kidnaps a young couple on vacation; McGarrett's estranged sister comes to town.
For her birthday, Paul surprises Cathy with a party just when Lenny has invited her to an art opening on the Bahamas. At the party, Cathy's brother begins a fling with Cathy's eccentric college friend Rebecca. Meanwhile, picks up Marlene who is wandering around in the backyard.
Steve and Becky are drunk and arguing. They storm back into the flat, soon followed by their even drunker friends and Jamie, Becky’s oldest friend. While everyone drinks Steve’s drinks and eats all his food, Steve tries in vain to deal with Becky and her close friendship with Jamie.
NeNe attends Atlanta's Dogwood Festival with her friend Cynthia and gives her side of the showdown with Dwight. Cynthia, a model who has recently relocated to Atlanta, lends a sympathetic ear. But NeNe’s troubles don’t end there. Her home life is crumbling, having recently thrown Brice out of the house. Sheree agrees to go on a blind date with a doctor, and surprises herself when she enjoys the dance club he takes her that’s located in the wrong part of town. Kim is invited to perform at the White Party, a huge gay circuit party in Palm Springs. Meanwhile, Kandi records a hot track with multi-platinum artist, Ne-Yo and then decides to test out some new material at Atlanta hot spot, Uptown Supper Club, which is owned by Cynthia and her boyfriend, Peter.
The Valastros embark on a family tour of Italy. Their first stops are Altamura and Lipari, the birthplaces of Mama, and Buddy Sr. While there, Buddy is asked to make a wedding cake and confections for his cousin's baby shower.
Marceline's evil father goes on a soul-sucking rampage after Finn and Marceline accidentally release him from the Nightosphere.
The White House grapples with a mysterious biological threat. Their only hope is to crack Sophia during interrogation. Meanwhile, Vicky and Carter keep their hostage captive while they await further instructions. FBI Agent Collier, on her search for Leila, stumbles upon Vicky's secret life. Elsewhere, a powerful businessman, Dempsey with classified intelligence and ties to the White House, emerges from the shadows.
DI Chandler, DC Miles and the team investigate a series of brutal killings and maimings. Local history expert Buchan suggests that London once more has a copycat killer - only this time the murders mirror killings by the Kray twins in the 1960s. Miles and Chandler refuse to believe Buchan's theory since the Krays are both dead - but is Buchan on the right path?
Dean ends up interning with Professor Impossible, and discovers that his new employer is a member of the Revenge Society.
When an unmatchable pup meets and loses the boy of his dreams, the pound puppies do what they do best.
Darren is tracking Jimmy Byrne, the chief suspect in the gangland killing. But in the meantime he needs to work and he soon finds himself slipping back into working for gangland boss John Boy Power. In a world of paranoia and betrayal will Darren be able to keep his wits about him, kill Jimmy Byrne and find love again with Rosie?
Unhappy about getting older, Kris hires a personal trainer, Storm, to help her get back into shape. Bruce becomes concerned when Storm arrives at the house and starts hitting on Kris, but Kris dismisses his feelings until others point out that she might be going too far with Storm. Kim's competitive nature gets her into trouble when she loses to Kourtney during poker night and is forced to serve her needs for a day.
When a woman is murdered at an exclusive club, Horatio must search through an elite guest list to find the killer.
Aggregor has all five aliens. The Plumbers manage to disable Aggregor's ship, forcing Aggregor to find a new way to absorb their powers. The team makes a last ditch effort to save the alien prisoners.
Aggregor has absorbed all the powers of his captured aliens. Now he's after the Map of Infinity.