Middle-Aged Beavis ruins his kidneys and a donor from Beavis's past saves the day.
| Name | Type | Role | |
|---|---|---|---|
| David Javerbaum | Writer | ||
| Toks Olagundoye | Guest Star | Doctor | |
| Jimmy O. Yang | Guest Star | Doctor #2 | |
| Jim Meskimen | Guest Star | Anesthesiologist and Nurse | |
| John Achenbach | Director |