After beach plans for Michael and Amy's family are ruined, Barney takes the Backyard Gang to the beach. They play in the sand, explore a pirate ship, and meet a mermaid.
| Actor | Role |
|---|---|
 Sandy DuncanMom / Molly the Mermaid | Mom / Molly the Mermaid |
| BBob WestBarney (voice) | Barney (voice) |