I.B. Spider is a puny student at Spider Junior High whose bravery and endurance is put to the test when scaling a water spout.
| Actor | Role |
|---|---|
 Malcolm-Jamal WarnerSpinner (voice) | Spinner (voice) |
 Patti LaBelleMiss Widow (voice) | Miss Widow (voice) |
 Thor BishopricItsy Bitsy (voice) | Itsy Bitsy (voice) |
 Jane WoodsTeacher (voice) | Teacher (voice) |
| AAlan LegrosZeke (voice) | Zeke (voice) |
 Judi RichardsWanda / Brenda (voice) | Wanda / Brenda (voice) |
 Michael RudderCarlo (voice) | Carlo (voice) |