The Grim Adventures of Billy & Mandy Crawling Niceness, The/Smarten Up!/The Grim Show (Season 1, Episode 6)
TV-Y7
TV Episode | 30 min | Animation, Adventure, Comedy

The Grim Adventures of Billy & Mandy

Crawling Niceness, The/Smarten Up!/The Grim Show (Season 1, Episode 6)

TV-Y7

TV Episode | 30 min | Animation, Adventure, Comedy

T help Billy pass a test, Grim gives Billy a bookworm to eat in order to smarten up. Unfortunately, the cat gets to the bookworm first.

Directors

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Release date

Jul 18, 2003 (United States)

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Cast	+ Add Cast
8 cast members

Name	Known for
Maxwell Atoms Jeff The Spider (voice) Jeff The Spider (voice) See fewer	The Grim Adventures of Billy & Mandy (2003)
Gregg Berger Bookworm (voice) Bookworm (voice) See fewer	Transformers: Devastation (2015)
Greg Eagles Grim (voice) Grim (voice) See fewer	Metal Gear Solid (1998)
Grey Griffin Mandy / Milkshakes (voice) (as Grey DeLisle) Mandy / Milkshakes (voice) (as Grey DeLisle) See fewer	Batman: Arkham City (2011)
Mark Hamill TV Producer / Vampire / Co-host (voice) TV Producer / Vampire / Co-host (voice) See fewer	Star Wars: Episode IV - A New Hope (1977)
James Horan Narrator / Cowboy / Show Host (voice) Narrator / Cowboy / Show Host (voice) See fewer	Metal Gear Solid V: The Phantom Pain (2015)
Richard Steven Horvitz Billy / Saliva (voice) (as Richard Horvitz) Billy / Saliva (voice) (as Richard Horvitz) See fewer	Invader ZIM: Enter the Florpus (2019)
Paula Tiso Atrocia (voice) Atrocia (voice) See fewer	Living with A Serial Killer (2021)