Ep 2. Brother's Little Helper

In season 11, episode 2 of The Simpsons, titled "Brother's Little Helper," Bart is prescribed a new behavior-modifying drug called Focusyn in order to help him concentrate in school. However, the drug ends up having some unexpected side effects, such as giving Bart the ability to see through walls and causing him to become paranoid.

Meanwhile, Homer discovers that he has a long-lost half-brother named Herb Powell who is a successful car manufacturer. Herb invites Homer and his family to his mansion for a visit, and Homer is initially thrilled to be reunited with his brother. However, things quickly take a turn for the worse when Homer accidentally ruins one of Herb's new cars.

Desperate to make things right, Homer comes up with a plan to design his own car which he believes will be a hit in the market. He enlists the help of Herb and his team to create the car, which he calls "The Homer." However, things don't go quite as planned, and the car ends up being a complete disaster.

As all of this is going on, Bart's behavior on the Focusyn continues to spiral out of control. He becomes increasingly paranoid and delusional, even thinking that he has superpowers and can fly. When he finally crashes back to reality, Bart is left to face the consequences of his actions.

Overall, "Brother's Little Helper" is a classic episode of The Simpsons that touches on the themes of family, loyalty, and the pitfalls of modern medicine. With its trademark wit and humor, this episode is sure to entertain fans of the beloved animated series.