A handsome newspaper publisher named Tom Meecham gets on Flora's bad side when he prints an editorial in the local paper criticizing one of her companies; Tom invites Stella to a lavish dinner party.
Stella and her Uncle Buster help restore a 1950s teenage hangout despite Flora's plans to demolish it and erect a monument to herself.
Stella chaperones a school-related camping trip to Grizzly Gap; Stella's Uncle Buster and Mayor Harper learn that a dangerous criminal has escaped from jail and is heading to Grizzly Gap.
Flora's rich nephew agrees to give her money to make improvements at the Reilly Paper Mill, with one condition; Claude is depressed about his love life and wants Flora to hook him up with Stella.
With the help of a charismatic union organizer named Kowalski, Stella joins a picket line to protest the unfair working conditions in Harper Valley.
The townspeople think that Stella has flipped her wig when she becomes nasty and aggressively pursues a married man in public; Stella has a hard time convincing everyone that her look-alike cousin, Della, is actually the one pursuing a married man.
A doctor's posthypnotic suggestion temporarily turns Flora into Stella's unlikely new best gal pal.
Flora and Wanda do everything in their power to sabotage Stella's efforts to improve the fire department's efficiency.
Flora writes a play and casts her daughter in the lead role; after Wanda falls and injures herself during a rehearsal, the director insists on Stella taking over the starring role.
A destructive motorcycle gang informs Flora that they have no intention of leaving unless Stella goes with them.
After Flora refuses to sign the holiday bonus checks, she is knocked unconscious by a falling Christmas tree and is visited by three ghosts.
Stella tries to expose a contracting scam.
Flora Reilly tries to shut down a local men's club; after Stella gets thrown in jail for an illegal lottery ticket, she discovers from public records that Flora's great grandmother founded the club and entertained men in a burlesque revue.
At Stella's 25th high school reunion, Calvin Kendall, an old boyfriend of Cassie's, makes a play for Stella, causing the only fight that the two best friends have ever had.
Wanda regrets throwing Bobby out when he turns to her rival, Stella, for comfort and support.
After a three-day health food convention in Cleveland, Stella and Dee arrive home to find Stella's Uncle Buster being arrested for causing an explosion with his latest screwball invention.
While taking lessons, Stella becomes furious when she receives a sweater with a scarlet A on it.
A bungling con man holds Stella, Cassie and all of the PTA board members hostage after a failed bank robbery attempt.
Mayor Harper approves an entertainment license for Kelley's Bar; Flora tries to unseat Mayor Harper by backing her sleazy son-in-law in the election.
Flora thinks that Stella has inherited millions of dollars and promptly installs her as an honorary member of the Harper Valley PTA Board.
The PTA members jump to the wrong conclusion when Stella is seen leaving a motel late at night.
Stella chains herself to the oldest living tree in Harper Valley to save it from being bulldozed.
Stella is accused of being an alcoholic when she is seen in town gathering beer cans; when Cassie refuses to throw Stella out of her salon, Flora tries to shut her shop down.
Stella appears in a TV commercial for paper towels, unaware that she is working for Flora.
Stella fakes amnesia to get the goods on Flora Reilly.
After Wanda accuses Stella of trying to destroy her marriage, Flora hires an actor to romance Stella and break her heart.
Stella's email is monitored by Flora and the PTA.
Flora and the PTA believe that Stella is pregnant.
A misunderstanding leads to Stella being kicked off the annual carnival committee; Stella schemes with Cassie to get back at the snooty PTA members.