Julius finds $200 in food stamps but Rochelle is too embarassed to let Sheila see them, so she dips into the family savings while at the store. This leads to trouble at home when Julius has all kinds of ideas on how they can spend the cash they saved by using the stamps.

Elsewhere, Chris and Greg fall out over a school science project.

In order to impress his new girlfriend, Joey agrees to direct her grandmother's musical at the Senior Citizen Home. He must turn to his best friend Zach to help him after everyone realizes that he's not a gifted director.

When Martha comes down with a strange disease, Professor Fine convinces Clark that Jor-El is responsible and that the Fortress must be destroyed to save her life. But Professor Fine has an ulterior motive which comes to fruition when they arrive.

Jamie's paranoia about his alliance's loyalty reaches an all-time high, annoying many of his allies. In the team reward challenge, Gary, Judd, Stephenie, and Danni win an overnight stay in a mansion. While there, Gary and Danni try to persuade the other two to switch sides and vote to keep the strongest in the game. Later, Rafe emerges as an honest threat to the others when he wins his second individual immunity, keeping him safe from the vote, and allowing him, Stephenie, and Lydia to betray and blindside Jamie by axing him from their "group of six" by voting him off of the island.

Sydney and APO attempt to discover whom Gordon Dean is working for and what their end game is. Meanwhile, when the group claiming to have a cure for daughter Nadia continues to play mind games with him, Sloane struggles for control.

The hopeful apprentices write and produce an original song to be performed on XM satellite radio, live. Capital Edge works well together as a team and finds an artist with a song that truly embodies the cafe feeling that the XM executives are looking for, while Excel Corporation struggles with Clay, who distracts the team from its objective, finding a great alternative rock song. In the end, Capital Edge dominates and is rewarded with a helicopter ride around New York City, accompanied by Donald Trump. Excel, however, is sent to the boardroom, where all three teammates are interrogated about what they personally did wrong on the task. Ultimately, Trump is forced to rely on the candidates' histories, deciding to keep Randal and Rebecca based on their former success, while firing Clay, who has caused one too many arguments.

The CSIs sift through the overwhelming evidence from a shootout with drug dealers in order to determine who is responsible for the death of a police officer killed during the incident.

With Hannah leaving for Minnesota in a few days with her mother (guest star Jayne Brook, "Chicago Hope"), Bright and Amy find themselves taking the loss of their girlfriend and best friend, respectively, harder than even they expected. Jake sets out on a high-risk bike trip with his friend, Cliff (guest star Simon Rex), that takes a near fatal turn; Andy and Harold uncharacteristically decide to go skydiving after hearing of Jake's daredevil ways; and Reid (guest star Justin Baldoni) keeps his promise to Ephram and backs off from pursuing Amy, leaving her feeling all the more lonely.

At The Subways' concert at The Bait Shop, Taylor's constant interference causes a rift between Summer and Seth. Marissa, worried about a confrontation between Ryan and Volchok, watches out for Ryan. Meanwhile, Matt, Sandy's new partner goes beyond what's expected and Julie manages to outdo Charlotte.

When Jack decides on a whim to move, Will is excited at the thought of helping him look for a place. After becoming involved in a cause to save two gay penguins from being separated at the zoo, Will starts to think closely about his dear friendship with Jack and what it would mean if he no longer lived next door. Meanwhile, during an afternoon of shopping, Karen and Grace bump into pretentious socialite Beverley Leslie, who invites the two ladies to attend his recently deceased wife's memorial 'celebration.' When Grace decides to try on one of the dead wife's rare dresses before the ceremony, she experiences a 'wardrobe malfunction,' which she must try to conceal.

For Neela, what begins as a routine ride-along with Gates and Zadro turns into a defining day when a commercial jet and a private plane crash over Chicago. As Clemente manages the trauma in the ER, Pratt joins Neela on-scene. Luka and Abby wake up together at Luka's, but the crash soon takes them back to work, where the tension between Luka and Clemente continues. As patients flood in, Sam recalls Haleh when extra nurses are needed, and earns Eve's approval. Luka and Abby care for a patient with severe facial injuries while Pratt struggles to save a patient with a heart injury. Ray's youthful friend returns and creates a nuisance. As the day ends, Luka and Abby talk, and awkwardly decide to stay "just friends," while Neela has a welcome, and overdue, visitor.

After young Shawn Hopkins disappears one night after leaving the arcade, his parents soon begin to believe that the team is not doing everything to find their son, and are shocked to learn that he has been gambling and has also been seen with a local drug dealer. After learning that Shawn had taken up the cause of a friend who had been raped, Larry and Susan Hopkins are relieved to learn that their son wasn't doing anything wrong, but worried that he still might not come home.

TONIGHT: Author of "The Scorpion's Gate", Richard Clarke!

TONIGHT: Stephen Colbert welcomes star of Zathura, Tim Robbins!

There's something about Merry . . . 'Canadian Merry' as they call her. After she gives away her pub and makes a pass at Mark, they suspect that she has gone 'mental'. Both Jeremy and Super Hans want the pub and don't really care about her, whereas Mark is concerned and calls the authorities. Sophie and Mark are finally a couple, but there may still be some problems with the fledgling relationship.

Stephen Fry and Alan Davies are joined by Helen Atkinson-Wood, Bill Bailey and Andy Hamilton to discuss some Quite Interesting topics beginning with the letter C.