Ep 4. Red

In Smallville season 2 episode 4, titled "Red," Clark's high school experiences a series of strange events when a visiting hypnotist unleashes his powers on Lana. The episode follows Clark, who is upset after Lana cancels their plans to attend the "Fall Dance," as he investigates the strange occurrences that take over the school.

The episode begins with Lana and Chloe enjoying a day at the fair, while Clark decides to spend the day with his parents. However, things take an unexpected turn when a hypnotist named Desiree (Krista Allen) arrives in Smallville to perform at the school's Fall Dance. She's not your average hypnotist, though, as she has the power to make anyone fall in love with her by simply touching them.

Desiree begins to use her powers on the students, including Clark's crush, Lana. After being hypnotized by Desiree, Lana falls in love with Clark's best friend, Whitney, and becomes distant towards Clark. Meanwhile, Clark's mother, Martha, also falls under Desiree's spell and becomes infatuated with Jonathan's boss at the farm.

As Clark investigates the bizarre events taking over the school, he begins to realize the true extent of Desiree's powers. He eventually figures out that her powers are affected by the color red, which causes her to become even more powerful and dangerous. Clark and Chloe team up to stop Desiree from causing any more harm, but they soon realize that they may be powerless against her seduction.

The episode features several notable scenes, including a memorable sequence where Clark tries to resist being hypnotized by Desiree after being accidentally touched by her. We also see Lana struggling with her newfound attraction to Whitney and becoming more aloof towards Clark, which leads to some emotional scenes between the two characters.

The episode is notable for introducing a new villain with unique powers that pose a significant threat to Clark and his friends. It also explores the complex relationships between the show's characters and how they are affected by Desiree's hypnotic abilities. Overall, "Red" is a thrilling episode that keeps viewers on the edge of their seats from start to finish.