Ep 21. The Prom Before the Storm

In 90210 season 3 episode 21, titled "The Prom Before the Storm," the gang at West Beverly Hills High School prepares for their senior prom, which is going to be held on a luxury yacht. As the prom approaches, the students deal with various problems that threaten to ruin their big night.

Naomi tries to convince Max to go to prom with her, but he is too focused on his finals and graduate school applications. Meanwhile, Liam is still struggling with the aftermath of his motorcycle accident and has yet to make amends with Annie, who he believes caused the accident in the first place. Silver is dealing with her own health scare, which she is keeping a secret from her friends.

As the prom gets closer, the students learn that their yacht has been double-booked with wealthy yacht owners. In an effort to still have the prom, they decide to have it in the school gym instead. However, a massive storm hits the city, causing a power outage and flooding in the gym, which forces the students to improvise and make the best of a bad situation.

Despite these setbacks, the students still manage to have a memorable prom night. Naomi impresses everyone with her beautiful dress and dance moves, while Teddy surprises Silver with a romantic gesture. Liam finally makes amends with Annie and they share a dance together. And in true Beverly Hills fashion, the night ends with a dramatic twist.

Overall, "The Prom Before the Storm" is a classic 90210 episode that showcases the drama, glamour, and unpredictability of teenage life in Beverly Hills.