Alf is ill in bed while everyone else is downstairs enjoying the television. A visit from the decrepit Dr. Kelly results in a verdict of "nothing wrong with you", so Alf sets off in search of a second opinion.
| Name | Type | Role | |
|---|---|---|---|
| Johnny Speight | Writer | ||
| Graham Stark | Guest Star | ||
| Anthony Sharp | Guest Star | ||
| Mark Eden | Guest Star | ||
| Tommy Godfrey | Guest Star | ||
| Valerie Murray | Guest Star |