It's Bachelor and Bachelorette party time for Caleb and Julie. Caleb and the boys head off to Las Vegas while Kirsten organizes an evening at the Cohen house for Julie, strippers included. Seth and Ryan get themselves into a tricky situation in Vegas while back home, Summer pines over lost love, and Marissa comforts Theresa. Jimmy and Sandy learn of Caleb's true motives. Julie and Hailey take a swim, while Theresa has some shocking news for Ryan and Marissa.
On their way to the Grey Cup in Regina, the gang from Dog River hit a few snags. Emma and Wanda get physical with a cashier while shopping at their favorite store. Oscar and Hank visit Oscar's crazy old buddy who's not quite the partier he used to be. Karen and Davis try to buy tickets from a scalper. Lacey discovers that getting roadside assistance isn't that simple when you're traveling with a guy who runs a gas station. Meanwhile Brent realizes there may be more to his relationship with Lacey than he thought
With Bev still on the hospital wing after her overdose, Frances is determined to crack down on the drug dealers, keeping Phyl under 24-hour surveillance until she confesses. Frances gets the handcuffs out for Colin Di gets closer to Jim, but his mind is still on Yvonne Atkins - is he going mad ?! Julie S decides that since she's on 'death row', she may as well take Fenner with her!... but only manages to slash his hand with a knife! Selena is still determined to get Kris out of prison, but things don't go as she planned. Frances announces drug tests for the whole prison. Fenner goes mad and...erm... flashes more than his keys!
Believing that key information about his father's past was lost when his memory was erased, Lex decides to join an experimental program with Dr. Garner to regain the information so he can turn his father over to the FBI. Knowing that Lex will discover his secret if he regains his memory, Clark tries to stop him but is caught by Lionel and the doctor and exposed to the same radical treatment so that Lionel can solve the mystery of Clark's past.
Two high-ranking Xindi offer to stop the launch of their superweapon if Archer can prove they've been manipulated. Meanwhile, the crew mourns their lost mates.
Humans from the year 4035 are arriving in droves in South Park! Everything gets a little too crowded when people from the future arrive through a recently discovered time portal. When the boys try to earn some extra money, the time immigrants, who are willing to do the same work for next to nothing, take their jobs.
As Angel and Hamilton urge Wesley to get rid of Illyria, she suffers a cataclysmic physical breakdown; and Gunn clashes with Angel over the enforcement of an evil demon contract.
When Hyde and Red accidentally walk in on Pam and see her topless, they are shocked by her reaction. They try to keep it a secret, but Bob, of all people, spills the beans. Meanwhile, Donna finds out about a girl Eric dated while she was with Casey.
Country ways test Frasier and Charlotte, who're stranded at a farmhouse with a very odd family that has no idea who he is. Back home, a physical therapist is mistaken for a stripper in a situation that greatly embarrasses Niles.
A woman claiming to have been the victim of rape commits suicide while she is still in the emergency room.
Andy and John approach Mrs Clifton for help with her daughter's murder. Jennifer turns up out of the blue, apparently off her meds. A man is shot, apparently over a church and a video tape.
Ozzy is upset by Kelly's tendency to wear revealing outfits when she goes out to clubs and parties. She feels that he is being overprotective. Ozzy worries about the behavior of one of the bulldogs, Colin, as he is attacking the other dogs (especially Lola). He tries to give him away to an employee, but Jack strongly objects. Ozzy grows frustrated, as he feels that no one pays attention to anything he says. He and Jack eventually patch things up, and Sharon tries to get through to Kelly.
When Breanna secretly goes online to find her dad a date, she believes she has found his perfect match in Pamela, but she is shocked to discover that Flex and Pamela had dated 10 years earlier and, to make matters worse, Flex has no memory of ditching her the first time.
J.D. is unsure what to do, when he realizes he made a mistake telling Elliot he loved her. The Janitor squares off against Dr. Cox after he loses the election of the janitors to Randall. Carla's brother Marc constantly puts Turk in a tough situation, when Turk forgets to write his wedding vows.
Jack attempts to use Saunders' daughter as leverage to gain control of the virus, while Palmer must deal with the discontented press. Michelle gets the results of her test, while Adam finds that the virus has struck too close to home. Tony finds himself compromised when Saunders exploits his only weakness.
Nick 's future at the firm is about to be voted on, as Nick awaits the verdict on his future he takes on two cases that involve two boys. The first boy Nick defends is Kevin Brown who is accused of raping a girl who became pregnant with a baby. The second boy Nick defends is a young boy who attacked an 8 year-old girl and attacked a social worker who was trying to place him in a foster family. The boy was placed in a center that was supposed to help rehabilitate the boy into society. Alvin defends a former client of LSP named Taliek Allen. Alvin defends a former client of LSP named Taliek Allen who fired his attorney. Taliek Allen shot a friend of Alvin's. He tries to get his client's sentence appealed. Alvin's client says he is tired of going through the appeals process to get his prison sentence reduced.
While Nathan looks for an after-school job to pay his rent, Haley decides to throw a party at his apartment but panics when things get out of control. After a jilted Brooke realizes she was not invited to the festivities, she decides to crash the party with her new friend Nicki.
Lorelai confronts her father when she learns that he has cut business ties. Luke gives Lorelai an update on his love life.