Steve meets Diane, a girl he falls in love with from Science Club and brings her on a date but he forgot he was meant to baby-sit Katy so Marty brings one of Katy's dolls to life! But Diane thinks Steve is going out with her.
| Name | Type | Role | |
|---|---|---|---|
| Mark J. Gordon | Writer | Writer | |
| Shari Albert | Guest Star | ||
| John Castellanos | Guest Star | ||
| Adam Kaiz | Guest Star | ||
| Maurice LaMarche | Guest Star | ||
| Ami Dolenz | Guest Star | ||
| Mark Cendrowski | Director |