When a virus causes amnesia in everyone except Teyla and Ronon, the Atlantis team must work together to find a cure before their memories fade entirely.
Kara goes to Washington to look for her missing crystal, but is captured after she breaks into the lab. She's sedated with a truth serum that has kryptonite in it, which makes her relive a trip to Earth from the past. In this past trip she followed Lara, Clark's biological mother, to the Kent's farm. Clark saves Kara, but also ends up being affected by the serum when he burns it with his heat vision.
American Gangster is the story of Frank Lucas and Leroy "Nicky" Barnes - their rise from street punks to the top of New York's 1970's high-flying drug market. The two men were considered the drug czars of Harlem at the height of the drug-fueled decade. Lucas and his gang "The Country Boys" claim to have smuggled heroin from Asia in the caskets of fallen American soldiers. Barnes, the leader of a cartel of African-American drug dealers called "The Council," made the cover of New York Times Magazine. The headline read "Mr. Untouchable." President Carter was so incensed, he personally ordered the Attorney General to go after him. The story is a violent, action-filled chronicle of Harlem and its kingpins.
An office shooting forces a woman to disappear, possibly to hide a deep secret.
After Chode refuses to pay a gypsy at a carnival (who just read him his "fortune") she puts a hex on him to make him invisible. But it turns out he is more than just invisible, he is being erased from existence.
Ling-Ling enters foster care, and Captain Hero time travels in order to play a prank on his past self.
Sean and Christian have relocated their practice from Miami to Los Angeles. Being new to the city they find themselves having to start from scratch business wise. What they thought would naturally fall into place turns out to require some foot work. So Christian and Sean hit the town and begin discovering a whole new world.
A ne'er do well wins $100,000 in the lottery and decides to right all the wrongs from his past with his newfound realization!
A string of car break-ins has been going on at different public parking lots, and the Chief of Bakuto Station puts everyone on alert. But this time the guy who has been responsible finds a baby that was neglectfully locked in a car. The mom goes into a panic when she comes back and finds her car broken into and the baby missing.
Kim goes into labor, and J.D. struggles to decide if he should tell her what he really thinks of their relationship. Turk, desperate to do something not baby-related, races to beat a video game before Carla discovers him. And Dr. Cox searches for someone he trusts enough to give his daughter a shot.
Betty and Henry secretly go on a date to see Wicked, but Daniel, thinking that her date is Gio, gives two tickets to Betty and Gio and Gio does not want to give up those tickets. Meanwhile, Daniel gets in a meeting with an advertiser, a woman who has an interest in younger men, namely Daniel.
Pete treats Charlotte's insomnia, Naomi goes on her first date since college and a patient asks Addison to conceal her fertility from her husband.
A high stakes poker game pits Simon Elder against Tripp, Karen needs a favor from her irresistible ex husband, and pampered Jeremy gets a real job.
Fearing that a rapist she met at an AA meeting will strike again, Dani enlists Crews' help to take him down.
The CSI team goes to a haunted house to solve more than just the latest case. Before they can solve the crime Lindsay is told something will happen to her if she doesn't leave soon.
In this Halloween episode, Emerson and Olive track down "the ghost" who's been killing the jockeys at the old race arena where Olive used to race as a former jockey herself. With help from Ned and Chuck, they try to solve the big mystery.
The team gains a new, familiar member and some growing pains while trying to find the latest victim of a killer who puts up wanted posters of his victims before he abducts them.
Adam and Jamie get on the trail of some flammable Hollywood fables (i.e. firing a bullet at a gas tank) while Kari, Grant and Tory see if a defibrilator will burn up an underwire bra.
Inside Imaginationland, Stan and Butters engage in the battle of their lives as they fight the army of evil imaginary forces. Meanwhile, Cartman goes all the way to the Supreme Court to get Kyle to suck his balls.
As an Algerian extremist escapes his home detention, the team fears he may be plotting a terror attack on US businesses in the UK with the help of local Iranians. However, working with the Americans to stop the attack proves a trying task given their recently-deceitful behaviour.