The Diffy's discover Curtis the Caveman stowed away in the time machine and now it's up to Lloyd to decide if they should keep him. Pim goes to Debbie's sleepover and tries to find a way out.
| Name | Type | Role | |
|---|---|---|---|
| Rich Rinaldi | Writer | ||
| Dan Fybel | Writer | ||
| Nadia Lewis | Guest Star | ||
| Carlie Westerman | Guest Star | ||
| Neal Israel | Director |