I Yabba Dabba Do!

Bamm-Bamm proposes with a poem in the middle of the street, and Pebbles agrees to marry. She initially misreads a letter that begins with 'Dear Pebbles,' thinking he wants to dump her, before realizing the proposal was sincere.

Fred bets the family savings on the Bedrock Brontos, but the team loses and the nest egg is wiped out. The loss adds immediate stress to the looming wedding and the couple’s plans.

Fred tries to ask Mr. Slate for a raise, but his violent temper costs him his job. With the nest egg gone, the family’s financial stability crumbles just as the wedding approaches.

Fred and Barney attempt to earn extra money for the wedding, but their plan fails and Barney loses his own money to a real estate con artist. The duo sinks deeper into debt while the wedding looms.

Wilma's mother, Pearl Slaghoople, arrives in Bedrock to help with wedding preparations. Her presence stirs the household and brings new opinions into the planning.

Pebbles and Bamm-Bamm decide to elope in Rock Vegas due to ongoing parental arguing. They set off with the plan to have a quick ceremony away from the family drama.

Barney bluntly reveals the truth about Fred's nest egg, prompting Wilma to force Fred out of the house. The couple’s stability teeters as tensions peak.

Fred resolves to mend his mistakes and make things right. He reconciles with Barney, Wilma, Betty, and Pearl, and the family begins to rally around Pebbles and Bamm-Bamm.

Fred asks Barney to help search for Pebbles and Bamm-Bamm, and they travel toward Rock Vegas. Along the way, they stop at a casino where Barney wins money, boosting their odds.

In Rock Vegas, the Wedding Whackers mistake Fred and friends for the couple and attack. Bamm-Bamm rescues Pebbles, the wedding photo is destroyed, and they are captured as suspects along with the real Whackers.

While detained, Fred explains the trouble he’s gone through to help Pebbles, which leads the Whackers to confess to their crimes. The Whackers’ mother is dismayed by the admissions.

Barney’s big wheel winnings provide funds to pay for the wedding, replace the nest eggs, and settle the debts. The group reunites with the family for Pebbles and Bamm-Bamm’s wedding; Fred regains his job and receives a raise. In the final twist, Pebbles and Bamm-Bamm announce moving to Hollyrock with Barney paying their way, triggering a last-minute quarrel between Fred and Barney.