Special Guest Stars
Lily Tomlin
voices Professor Fizzle
Will Arnett
voices Galapagos Gil
Sandra Oh
voices Dr. Sarah Bellum
Mae Jemison
voices Kathy K. KuiperGuest Stars
Birva Pandya
voices Jyoti
Miles Koseleci-Vieira
voices Arnold
Lynsey Pham
voices Wanda
Leke Maceda-Rustecki
voices Carlos
Mikaela Blake
voices Keesha
Matthew Mintz
voices Ralphie
Kaden Stephen
voices TimCo Starring
Ana Sani
voices Additional Voices
Annelise Forbes
voices Additional Voices
Lilly Bartlam
voices Additional Voices
Stuart Stone
voices Additional Voices
Amos Crawley
voices Additional Voices
Jamie Watson
voices Additional Voices
Lisa Jai
voices Additional Voices
