, who now works for an ad agency and Bamm-Bamm Rubble, who works in a car repair shop, decide to get married after Bamm-Bamm proposes with a poem, in the middle of the street. However, Fred loses the family savings when he bet it on his team, the Bedrock Brontos. Fred tries asking for a raise from Mr. Slate, but is dismissed from his job because of his violent temper. Fred enlists Barney's help in bringing more money for the wedding, but they fail, losing Barney's money to a real estate con artist. Meanwhile, Wilma's mother Pearl Slaghoople arrives to help with the wedding. Pebbles and Bamm-Bamm decide to get married in Rock Vegas because of their parents' arguing and fighting. Wilma and Betty discover the truth about Fred and Wilma's nest egg, and Fred is forced out of the house. Reconciling with Barney, Wilma and Betty, Fred asks Barney to help search for Pebbles and Bamm-Bamm. Fred and Barney travel to Rock Vegas looking for Pebbles and Bamm-Bamm. They stop at a casino where Barney wins more money. They are attacked by the Wedding Whackers gang after mistaking them for Pebbles and Bamm-Bamm getting married and took a photo of them robbing a newlywed couple. Shortly afterwards they are rescued by Pebbles and Bamm-Bamm. During the chase, the photo of the Wedding Whackers is destroyed, so the four are captured as suspects of being the marriage whackers, along with the real marriage whackers. While in detainment, Fred reveals all the trouble he has gone through to try to help Pebbles with her wedding ceremony which leads the marriage whackers to reveal to their crimes, to the dismay of the Whackers' mother. Since Barney made a lot of money on his casino wins on the big wheel, they can use it to pay for the wedding and pay off their debts. Fred, Barney, Pebbles and Bamm-Bamm finally reunite with Wilma, Betty and the others. Mr. Slate rehires Fred, and Pebbles and Bamm-Bamm get married, with Fred, Barney, Dino, Wilma and Betty as the happy ones seeing them getting married. Fred gets his job back from Mr Slate and is given a raise after being invited to the wedding. At the end, Pebbles and Bamm-Bamm reveal they are moving to Hollyrock with Barney paying their way with his Rock Vegas winnings, at which Fred gets angry with Barney and they start to fight again.
The film brought in a 12.4/19 rating/share in its original airing and was watched by 22 million viewers. The film came in second place in its timeslot, and ranking 35th out of 94 programs that week.
Home media
released the movie on VHS on April 21, 1998 but it is now out of print. On October 9, 2012, Warner Archive released The Flintstones- I Yabba-Dabba Do! on DVD in region 1 as part of their Hanna–Barbera Classics Collection. This is a Manufacture-on-Demand release, available through Warner's online store, Amazon.com and Wal-Mart.com. http://www.walmart.com/ip/24225538
