Advanced search

Corrine's need to schedule every moment of her life upsets Marshall, who wants to be able to spend some random free time with her. Before they can talk about it, Corrine's Venus Flytrap turns into a human being - a girl named Diana who attracts the attention of all the boys at school and leaves mysterious marks on their arms. When Diana sets her sights on Marshall, Corrine must stop her before she eats Marshall alive.

Vaughn is helping Lucas with an E.E.G. experiment. A circuit board blows, resulting in Lucas' personality moving into Vaughn's body and Vaughn's moving into Lucas' body. They learn about what its like to be each other and the Science Club has to straighten out the mess. Also Josie and Lucas do a scene from Romeo and Juliet.

Tyler organizes the school's fundraiser car-wash event, but he overhears a conversation about a new "gravity sensor", develops the ability to camouflage himself, and uses this to find out what the science club is up to.

The Academic Olympics team trains under Capt. Corrine (who is obsessed with winning). Josie, Lucas, Marshall, and Vaughn must figure out why they are doing things they normally couldn't or shouldn't be doing.

Josie and Vaughn are sent back in time to 1977. While there, they accidentally interfere with Vaughn's parents' first meeting, creating an alternative timeline in which he was never born.

Vaughn discovers a security tape of the Pearadyne explosion showing Sarah leaving behind Victor and speaking to Corrine when she first fell into the wormhole, but refuses to believe that Corrine cannot recall what happened. When they end up stuck together, Josie and Marshall get second thoughts about the two. While the rest of the Science Club tries to find a way to separate them, Vaughn and Corrine sneak into Pearadyne ruins to learn the truth.

A class DNA project goes awry when Lucas' DNA is altered and his personality changes from shy and nervous to absolutely fearless, but lacking self-control. His friends must save him from Stu Kubiak, who calls a fight with him.

Marshall's rocket disappears into black hole energy and returns in a completely different form; only Vaughn can unlock its secret. Also Lucas starts to think he might be wrong about Vaughn.

Marshall mysteriously becomes invisible when he gets angry. He uses his new ability to follow Vaughn. Vaughn has been asked by his father Victor to steal Josie's journal to find out what she knows about black holes.

After Josie is shocked, she becomes a human electromagnet.

Josie experiences sleep deprivation and it causes her to wig out, until she realizes Vaughn is the key to the problem.

When Lucas's gravity sensor is operational, meaning they can now see when the wormhole opens, Josie worries that Vaughn will enter the wormhole without anyone's consent in an effort to talk with his supposedly dead mother. Josie enters the wormhole by herself and is transported to October 4, 1879 (when Blake Holsey High was founded by Avenir), and her friends end up stranded with her when they go through the wormhole to try and bring her back.

When Madison runs for President of the Student Council, Josie runs against her for the sole purpose of defeating her. Josie promises to change the system of grading, while Madison uses pheromones to capture everyone under her control.

When Marshall writes a prediction column for the school paper, he neglects to proofread his work and "Someone will diet" turns into "Someone will die." Things get scary when Marshall's predictions start to come true.

Josie laments her short height, but is then shrunk to a far smaller size. She uses an answer machine message to prevent Victor from selling Pearadyne Labs, and learns of a strange operation taking place on the school, covered up by "Blake Holsey High's first compulsory pizza and movie night." The students create a diversion to get out of attending the mandatory school function and observe the inspection.

An old box of Pearadyne Lab computer chips leads Marshall into a moneymaking scheme, but he's accused of cheating. Also the students of Blake Holsey go cellphone and texting crazy.

Lucas is upset about continuously losing at Hearts, so he rigs his glasses and a deck of cards with invisible ink to win. Too bad that the effect is permanent and he might just go blind.

Josie gets sucked into a vortex, sending her three hours into the past. If she doesn't enter the vortex when it is time, she will be stuck in an alternate dimension. Meanwhile, Josie's mother thinks about cooperating with Victor.

After Lucas is bitten by a mayfly nymph, he gets his wish and becomes an adult. However, due to the short lifespan of the mayfly, he keeps getting older and eventually turns into an 80-year-old man.

New student Josie and her friend Corrine are sucked into a wormhole.

Marshall's older brother Grant comes to town when applying for a job at Pearadyne, but an accident with molecular models sends Marshall through the periodic table, into helium, oxygen, neon, chlorine, and on the path to uranium. Meanwhile Grant becomes sodium as he arrives at school. The two eventually meet, and are turned back to normal by forgiving each other, producing the stable molecule sodium chloride (table salt).

Marshall is going about the school with a cold, and his sickness spread via wireless computer networking to the entire school with chills, fever, and sneezing. People who have purchased a special computer system that allows them to surf the web are demanding refunds when thick mucous is disrupting the system.

A misunderstood statement turns into gossip about Josie as she sneaks around in preparation for a birthday surprise. Also, Corrine accuses Josie of being a kleptomaniac and the school rapidly fills with sponges. Professor Z., Marshal, and Lucus try to get rid of them with boy-band music.

Vaughn is lost in the wormhole and travels back in time to April 11, 1977, so Josie goes into the wormhole again to rescue him. Meanwhile, the rest of the Science Club learn more about the nature of the wormhole and the major time periods it connects to in an effort to bring back their friends. When Josie realizes she has been responsible for a number of the events, she breaks a promise to her friends and goes through the wormhole alone to take the floating Qi ball from Victor again.

Josie's clone and the Janitor reveal to Lucas and Professor Z that the original Josie is trapped in an alternate timeline where she is the only inhabitant. Realizing she can't replace Josie on Earth, she decides to replace her in the alternate dimension.