Ep 18. Glee Club

Zack, Screech, Slater, and Lisa all decide to join the school's glee club together after they accidentally stumble upon a rehearsal and become interested in it. However, they quickly realize that the glee club isn't as cool as they thought it would be and begin to contemplate quitting.

Meanwhile, Jessie can't stand the fact that her mom is dating her school principal, Mr. Belding, and tries to find a way to end their relationship. But when she learns how happy her mom truly is with Mr. Belding, she has a change of heart.

As the glee club prepares for their big performance, tensions rise as Zack and Slater compete for the lead solo and Lisa struggles with stage fright. But with the help of their new glee club friends, they all come together to put on a show-stopping performance that impresses everyone in the audience.

In the end, Jessie learns to accept her mother's relationship with Mr. Belding and the gang discovers a newfound love for music and the arts.