Helen complains about never getting to take a vacation. To keep her quiet, Stanley prepares a secret disco birthday party with the aid of his former tenants Jack Tripper, Janet Wood, and Chrissy Snow.
| Name | Type | Role | |
|---|---|---|---|
| George Burditt | Writer | ||
| Joyce DeWitt | Guest Star | ||
| Suzanne Somers | Guest Star | ||
| John Ritter | Guest Star | ||
| Jack Shea | Director |