Lauren, Patty, Johnny and Marshall are left off the guest list for the coolest party of the year, Muffy's "new wave" Bat Mitzvah. DEVO makes their primetime TV debut with the single, "That's' Good."
Bill Murray guest stars as Mr. McNulty, a free-wheeling Weemawee High substitute teacher, who creates some unexpected repercussions for the freshman class.
Lauren and Patty are pitted against Muffy when they go to bat for their favorite teacher. His radical lifestyle and unconventional teaching methods threaten to get him fired from Weemawee.
The class clown, Marshall, becomes addicted to the new arcade game that has arrived on campus. His friend Johnny is concerned, and looks to Father Guido Sarducci (played by Don Novello) for help.
Vinnie and Jennifer, Weemawee's "killer couple", are suddenly on the outs when Vinnie is cast as the male lead in the school musical and starts making eyes at his female co-star, Patty.
Lauren's convinced that she and Patty have finally cracked the Weemawee High popularity barrier, but Patty knows the real reason behind their instant popularity, and can't reveal it.
The music industry might never be the same when Weemawee High's Career Week influences Johnny to start his own rock band, with best friend Marshall acting as the manager.
Patty and Lauren are exuberant over being invited to a Halloween party with the "popular kids." But the festivities turn spooky with the overwhelming sense that they're being watched.
Patty and Lauren face the prospect of a bleak holiday season, and no New Year's Eve party at Vinnie's, unless Patty can resolve her relationship with her estranged father (played by Tony Dow).
"Ace" reporters Lauren and Patty investigate Weemawee High's scandal-ridden campaign for a new school mascot. Class clown Marshall's latest stunt makes him a prime suspect.