Mr. Wilson is convinced that he is allergic to Dennis because he sneezes every time Dennis is around. It is later discovered that it was only the hair tonic that Dennis had been using what was causing Mr. Wilson's allergies.
| Name | Type | Role | |
|---|---|---|---|
| Budd Grossman | Writer | ||
| Hardie Albright | Guest Star | ||
| Brendan Dillon | Guest Star | ||
| Charles T. Barton | Director |