Grandpa becomes involved with diplomatic relations and the U.S. State Department when a foreign nation's farm tour visits neighbor George's ranch and Grandpa pursuades the group to detour by the McCoy farm. At first it appears Grandpa has committed a colossal faux pas, but his apparent blundering develops unexpected consequences.
| Name | Type | Role | |
|---|---|---|---|
| Jim Fritzell | Writer | ||
| Everett Greenbaum | Writer | ||
| Ray Montgomery | Guest Star | ||
| Leonid Kinsey | Guest Star | ||
| Didi Ramati | Guest Star | ||
| Earl Hammon | Guest Star | ||
| Nick Bolin | Guest Star | ||
| Richard Crenna | Director |