Amanda Seyfried; Chad Smith & Will Ferrell Drum Off. Also: Red Hot Chili Peppers perform.
| Name | Type | Role | |
|---|---|---|---|
| Red Hot Chili Peppers | Guest Star | ||
| Chad Smith | Guest Star | ||
| Chad Smith | Guest Star | ||
| Amanda Seyfried | Guest Star | ||
| Flea | Guest Star | ||
| Will Ferrell | Guest Star | ||
| Josh Klinghoffer | Guest Star |