When Nate takes his dad to the hospital for a routine colonoscopy, the exam becomes a life-endangering ordeal for Bob and Margo.
| Name | Type | Role | |
|---|---|---|---|
| Robert Roy Thomas | Writer | ||
| Cathy Shim | Guest Star | ||
| Kirby Heyborne | Guest Star | ||
| Jordan Black | Guest Star | ||
| Shawn Crowder | Guest Star | ||
| Mary Garripoli | Guest Star | ||
| Joel Skore | Guest Star | ||
| Kit Pongetti | Guest Star | ||
| Lara Everly | Guest Star | ||
| Chip Joslin | Guest Star | ||
| Chad Brokaw | Guest Star | ||
| Roy Jenkins | Guest Star | ||
| Steve Berg | Guest Star | ||
| Loretta Fox | Director | ||
| Julia Lee | Director | ||
| Dave Sheridan | Director | ||
| Erin Cahill | Director | ||
| Robert Roy Thomas | Director | ||
| Josh Dean | Director | ||
| Allan Havey | Director |