The Grim Adventures of Billy & Mandy Waking Nightmare/Beware of the Undertoad (Season 6, Episode 6)
TV-Y7
TV Episode | 22 min | Animation, Adventure, Comedy

Primary photo for Waking Nightmare/Beware of the Undertoad

The Grim Adventures of Billy & Mandy

Waking Nightmare/Beware of the Undertoad (Season 6, Episode 6)

TV-Y7

TV Episode | 22 min | Animation, Adventure, Comedy

In "Waking Nightmare" Billy tries to keep Mandy awake to make her fail a school test the next day. In "Beware of the Undertoad" Billy is terrorized by a toad-like sea creature.

Creator

Maxwell Atoms (creator)

Directors

Matt Engstrom (segment "Beware of the Undertoad") | Eddy Houchins (segment "Beware of the Undertoad") | Gordon Kent (segment "Waking Nightmare") | Juli Murphy (as Juli Hashiguchi) (supervising director) (as Juli Hashiguchi) | Kris Sherwood (segment "Beware of the Undertoad")

Writers

Maxwell Atoms (story) (segment "Waking Nightmare") | Aaron Springer (story) (segment "Waking Nightmare") | Michael Diederich (story) (segment "Beware of the Undertoad")

Producer

Louis J. Cuck (producer)

Composers

Gregory Hinde | Drew Neumann

Casting Director

Kris Zimmerman

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Edit Released

Updated Mar 23, 2007

Release date

Mar 23, 2007 (United States)

Awards

Series awards

Won 1 Primetime Emmy Award. Another 1 win & 6 nominations

Contacts

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Cast	+ Add Cast
11 cast members

Name	Known for
Grey DeLisle Mandy / Girl #1 / Milkshakes (voice) Mandy / Girl #1 / Milkshakes (voice) See fewer	Batman: Arkham City (2011)
Greg Eagles Grim / Cerberus#1 / Sperg (voice) Grim / Cerberus#1 / Sperg (voice) See fewer	Metal Gear Solid (1998)
Richard Steven Horvitz Billy / Billy's Dad (voice) (as Richard Horvitz) Billy / Billy's Dad (voice) (as Richard Horvitz) See fewer	Invader ZIM: Enter the Florpus (2019)
Vanessa Marshall Irwin / Dog (voice) Irwin / Dog (voice) See fewer	Star Wars: The Bad Batch (2021)
Steve Blum Undertoad / Captain / Mama Undertoad (voice) Undertoad / Captain / Mama Undertoad (voice) See fewer	Star Wars: Rebels (2014)
Jane Carr Pud'n / Bus Driver (voice) Pud'n / Bus Driver (voice) See fewer	31 (2016)
Chris Cox Principal Goodvibes / Lifeguard (voice) Principal Goodvibes / Lifeguard (voice) See fewer	Ted (2012)
Jennifer Hale Billy's Mom (voice) Billy's Mom (voice) See fewer	Ratchet & Clank: Rift Apart (2021)
Danny Mann Cerberus #2 / Bicycle Guy (voice) Cerberus #2 / Bicycle Guy (voice) See fewer	Babe (1995)
Nolan North Exercise Dude / Robot Granny / Cerberus #3 (voice) Exercise Dude / Robot Granny / Cerberus #3 (voice) See fewer	Uncharted: The Nathan Drake Collection (2015)
Renee Raudman Ms. Butterbean / Girl #2 (voice) Ms. Butterbean / Girl #2 (voice) See fewer	Metal Gear Solid: The Twin Snakes (2004)