Phineas and Ferb's Backyard Bash was a marathon of Phineas and Ferb episodes that was ran on June 18, 2011.
- 6:00 - Phineas and Ferb Hawaiian Vacation
- 6:30 - Bubble Boys/Isabella and the Temple of Sap
- 7:00 - The Lemonade Stand
- 7:15 - Fireside Girl Jamboree
- 7:30 - Rollercoaster: The Musical!
- 8:00 - Phineas and Ferb Summer Belongs to You!
- 9:00 - Lawn Gnome Beach Party of Terror
- 9:15 - Get That Bigfoot Outa My Face!
- 9:30 - The Lake Nose Monster