Bob and Terry argue about fitness over a pint and challenge each other to a cross-country cycle race to see who's the fittest.
| Name | Type | Role | |
|---|---|---|---|
| Dick Clement | Writer | ||
| Ian La Frenais | Writer | ||
| Lorna Wilde | Guest Star | ||
| Sean Flanagan | Guest Star | ||
| Patti Dalton | Guest Star | ||
| Clive Warwick | Guest Star | ||
| Pamela Conway | Guest Star | ||
| Bert Palmer | Guest Star | ||
| Roy Pattison | Guest Star | ||
| Roger Bourne | Guest Star |