Miss Bliss's former history teacher, Mr. Lyman, comes for a visit. He was an innovative teacher and taught Miss Bliss to be innovative as well. She feels she learned everything she knows from him. Since she needs to have some free time to write some reports, she convinces Mr. Belding to hire him as a substitute.
| Name | Type | Role | |
|---|---|---|---|
| Robert Donner | Guest Star |