Unknowingly, Richie, Potsie, and Ralph are invited to a party hosted by the She Devils gang in which the Devil who brings in the biggest nerd wins a $100 prize. After Richie discovers the purpose of the party, he and the guys head for the door. However, several Devils come in carrying a sack containing a guy who jilted the sister of the gang's leader. The guy is Chachi.
| Name | Type | Role | |
|---|---|---|---|
| Sam Greenbaum | Writer | ||
| Sarah Rush | Guest Star | ||
| Georganne LaPiere | Guest Star | ||
| Karen Jensen | Guest Star | ||
| Judy Pioli | Guest Star | ||
| Jerry Paris | Director |