Howard and Marion come to Chicago to visit Joanie at her apartment after Chachi answers Howard's phone call late the night before. When they arrive, Chachi is there wearing Joanie's bathrobe and shower cap.
| Name | Type | Role | |
|---|---|---|---|
| George Tricker | Writer | ||
| Neil Rosen | Writer | ||
| Tom Bosley | Guest Star | ||
| Marion Ross | Guest Star | ||
| Deanna Olivier | Guest Star | ||
| Joel Zwick | Director |