Liv is filming the “sequel” to the muffler commercial she did when she was six. Meanwhile, Maddie is feeling nervous about her knee as she prepares for her first game back while at the same time Joey tried to steal the Ridgewood Rock (a basketball) in order to get out of gym for a week in order not to do Square Dancing with Willow.
- Dove Cameron as Liv and Maddie Rooney
- Joey Bragg as Joey Rooney
- Tenzing Norgay Trainor as Parker Rooney
- Kali Rocha as Karen Rooney
- Benjamin King as Pete Rooney
- This episode was set to air on February 22nd, but got moved because of the Oscars.
- This is the third Disney Channel Original Series to mention and use the Z-Phone. The first was Hannah Montana & the second was A.N.T. Farm.
- Liv's muffler commercial was first mentioned in Fa La La La-A-Rooney.
| To view the Muffler-A-Rooney gallery, click here.