Stanley prepares a surprise birthday party for Helen with help from former tenants Jack, Janet and Chrissy. But when Jeffrey spies in on Janet and Chrissy giving Stanley disco lessons, he jumps to the wrong conclusion.
| Name | Type | Role | |
|---|---|---|---|
| George Burditt | Writer | ||
| John Ritter | Guest Star | ||
| Joyce DeWitt | Guest Star | ||
| Suzanne Somers | Guest Star | ||
| Jack Shea | Director |