Weird Science

After Ian and Max publicly humiliate Gary and Wyatt at Shermer High, the two outcasts decide they need a boost to win their crushes. Gary convinces Wyatt that a bold plan could change their luck. They resolve to do something extraordinary over the weekend.

Gary convinces Wyatt that a digital creation could boost their popularity. They decide to build Lisa, inspired by Frankenstein, a perfect companion to charm Deb and Hilly. The plan centers on hacking into a government computer to give life to their ideal partner.

They hook electrodes to a doll and hack into a government computer, triggering a power surge. Lisa materializes as a beautiful, intelligent woman with reality-altering powers. The moment marks the birth of their unlikely savior and the start of their weekend adventure.

Lisa conjures a pink 1959 Cadillac Eldorado for a ride to a Chicago blues bar. She uses her powers to procure fake IDs and take Gary and Wyatt on a night of carefree escapism. The adventure reveals her power and their desire to unwind from high-school pressures.

They return home drunk, and Wyatt's older brother Chet extorts money from him. Lisa agrees to hide herself but realizes the boys need release and loosen up. The night marks a turning point as their plan starts to spiral beyond their control.

At the mall, Max and Ian humiliate Gary and Wyatt again, fueling their resolve. Lisa tells them about a party at Wyatt's house and the group drives off in the Porsche 928 she conjured for Gary. The setup promises a wild night that will test their new confidence.

Lisa meets Gary's parents, Al and Lucy, and shocks them with blunt honesty. She pulls a stainless steel prop gun that turns out to be a water pistol, and she alters their memories so Lucy forgets the conflict and Al forgets Gary altogether. The memory tampering smooths the path for the party.

The party begins to spiral out of control as the kids struggle to maintain their composure. They retreat to the bathroom and attempt to recreate Lisa’s process to impress Deb and Hilly, but the ritual fails. A live Pershing II‑style missile surges through the floor, signaling the catastrophic risk of their experiment.

Wyatt's grandparents arrive and confront Lisa about the party. She freezes them into a catatonic state and hides them in a kitchen cupboard to minimize disruption. The moment demonstrates her power and the boys' dependence on her for a change.

Lisa unleashes a gang of mutant bikers to crash the party, creating chaos and terrorizing the guests. Deb and Hilly are taken hostage, and the party’s mood shifts from humiliation to danger. The bikers' presence pushes Gary and Wyatt to act to win the girls' affection.

As the chaos subsides, Deb and Hilly fall in love with Gary and Wyatt, and the bikers depart. The boys gain actual confidence as their crushes' affections become real. Lisa watches the transformation with a sense of purpose fulfilled.

Morning arrives with a stark mess: Chet returns from duck hunting to a disordered house and a missile sticking through the walls. Gary and Wyatt realize how far Lisa's influence has pushed them. Lisa keeps watch, ensuring no one notices the extraordinary events, while the house slowly returns to normal.

Lisa reveals that her purpose is complete and tears up the boys' doubts before de-materializing. The house is magically cleaned and restored, including the transformed Chet. Gary and Wyatt's families return to a normal life, unaware of the night’s extraordinary events.

In the aftermath, Lisa reappears as the new gym teacher at Shermer High School. Gary and Wyatt have gained real confidence, and Deb and Hilly's affections feel more genuine. The town is left with a lasting impression of the strange weekend.