In the series finale, Naomi is upset about her baby being late, so Mama tries to calm her down with a false story about Carl, then later tells Iola what actually happened. Both versions are seen in flashback, featuring Ken Berry as Carl. Later that day, Naomi goes into labor and Mama ends up delivering her granddaughter, Tiffany Thelma Harper.

Vint and Naomi buy an RV and plan to move to a trailer park, but their timing could not be worse: Mama is planning to host a fancy backyard luncheon for a snooty society group called the Dames.

Mama describes parenthood to Naomi's childbirth class.

Vint must choose between Mama and Naomi when he wins a dinner for two.

Mama's ad for a church dance produces an overwhelming response because of a mix-up at the printing shop. 

After watching detective movies on TV for a week, and hearing that Iola's mother is missing, Mama dreams that she is a film noir-style detective hired to find her client's mother.

A live goose, meant to be Christmas dinner, becomes a pet.

Mama slips on a roll of pennies and sues the bank.

When Iola raises a rose destined for garden-show glory, Mama is green with envy.

Vint fears that his job is on the chopping block when he learns the Bernice Corporation plans on closing Kwik Keys and opening a frozen yogurt shop in its place. When Thelma learns that she owns stock in an old trolley company that is now owned by the same corporation that plans to fire Vint, she finds a way for her son to keep his job.

Bubba brings home an all-female heavy-metal band.

Mama heckles a comic, who challenges her to do better.

A psychic delivers messages to Mama from her dead husband causing conflict in the house.

A reunion exposes Mama's junior-high reputation.

When Mama lands her own radio show, she gets a chance to do what she does best: criticize. 

Mama is attracted to guest actor Leslie Lemoyne, who's appearing in a local play, until she sees him on "Tri-State's Most Wanted".

The Harpers install an intercom so that Naomi will be able to monitor her baby, but Mama uses it to eavesdrop on the family, and vice versa.

Mama encourages Iola to find herself a man, but the man she finds turns out to be a domineering blowhard.

Mama suspects that Vint is having an affair with his new trainee Heather, so she and Iola go to his workplace to investigate.

After reading about how much it costs to raise a child, Vint and Naomi decide to start a business selling bottles of Mama's mother-in-law's "miracle tonic."