Flynn-Fletcher Antiques is a small antiques dealership located in Danville. As its name suggests, its proprietors and only known employees are Linda Flynn-Fletcher and Lawrence Fletcher. ("Phineas and Ferb's Quantum Boogaloo")
- Flynn-Fletcher Antiques was first seen in the future Danville of "Quantum Boogaloo,"
- In some episodes, Linda and Lawrence Fletcher attend antiques conventions in present Danville.
- The shop first made its full appearance in "Escape from Phineas Tower."