This show mainly uses sound effects from Cartoon Trax Vol. 1 and Warner Bros, but it also uses a couple sound effects from Hanna Barbera, General Series 6000, The Premiere Edition Vol. 1, Jurassic Dinosaurs, Rocky and Bullwinkle, Otojiten VOL 1. - Anime/Game Sound Effects Library, Otojiten VOL 2. - Jingle Loops Sound Effects Library, Otojiten VOL 5. - RPG & Horror/Game Sound Effects Library and a couple of other sounds.
- Boom Library, LOW-HIT Classic Anvil
- Datacraft, Biology - Zing Out
- Datacraft, Decision - Magic
- Datacraft, Fresh and cute (Heard once in "Fortune Cookie" and "Fireplug".)
- Datacraft, Jingle - Victory
- Datacraft, Magic - Attack Charge
- Datacraft, Magic - Recovery Magic 3
- Datacraft, Malaysia - Southeast Asia
- Datacraft, ME (RPG) - Dramatic
- Datacraft, ME (RPG) - OK
- H-B HIT, CARTOON - SMALL BONK 01/Hollywoodedge, Bass String Pluck CRT047102
- Hollywoodedge, Animal Snorts Wreve CRT013501 (Used for Black's voice.)
- Hollywoodedge, Baby Crying Slowly PE144001 (Heard once in a higher pitch in "Opera".)
- Hollywoodedge, Baby Vocals Playful PE145101
- Hollywoodedge, Belch 5 Wet Short Clos PE138401 (Heard once in "Mosquito".)
- Hollywoodedge, Big Rev Monstr Snors CRT013801 (Used for Yellow's snoring in "Snoring".)
- Hollywoodedge, Big Roars Animal Lg CRT013601 (Used for Black's voice.)
- Hollywoodedge, Big Single Gulp ie Dr CRT026803/Sound Ideas, GULP, CARTOON - BIG GULP, HUMAN
- Hollywoodedge, Big Single Gulps For CRT026802
- Hollywoodedge, Bird Hawk Single Scre PE020801/Hollywoodedge, Hawk Screech Single AT082901 (Heard once in "Wild Wild World 2".)
- Hollywoodedge, Bird Seagull Four Sin PE021601
- Hollywoodedge, Bone Breaks Gushes He FS044002 (Heard once in "Wild Wild World 2" and "Welcome Larva!"; only the final portion of the sound.)
- Hollywoodedge, Bottle Rocket 2 Picco PE098501
- Hollywoodedge, Bounce Boing Drum CRT016901/Sound Ideas, BOINK, CARTOON - TIMP DOINK
- Hollywoodedge, Bounce Bonk Metalli CRT032101 (only the final portion of this sound is heard once in "Wart".)
- Hollywoodedge, Bounce Jews Harp CRT015806/Sound Ideas, HIT, CARTOON - FLAT BONK (Heard once in "Out of Body" and "Moonlight Waltz".)
- Hollywoodedge, Bubble Pop CRT049201
- Hollywoodedge, Bullet Ricco Whiz By CRT040201
- Hollywoodedge, Car Horn Musical Tru CRT021401
- Hollywoodedge, Cartoony Impact FX CRT019501
- Hollywoodedge, Cartoony Impact FX CRT019502
- Hollywoodedge, Cat Or Duck Yawns 3 Ty CRT011306 (Used for Red's voice.)
- Hollywoodedge, Crash Car Flip Imp Rol PE111501 (Heard once in "Ping Pong".)
- Hollywoodedge, Creature Howls Wrev CRT013603 (Heard in "Beanstalks".)
- Hollywoodedge, Crunchy Fist Impact PE247301/Hollywoodedge, Kick Body Hit 4 Thud Cr PE101601
- Hollywoodedge, Duck Gargling CRT011305 (a portion of the sound is heard once in "Fishing".)
- Hollywoodedge, Evil Laugh CRT023801
- Hollywoodedge, Evil Villainous Lau CRT024001 (3rd laugh; heard in a high pitch in "Flower Farts".)
- Hollywoodedge, Fast Snare Drum Roll CRT042703 (Used once in "Wrap")
- Hollywoodedge, Frightened KittenM CRT012701
- Hollywoodedge, Funny Sgl Chicken CRT011001
- Hollywoodedge, Funny Sm Creatur Vox CRT013201 (Used for the Bee's voice.)
- Hollywoodedge, Girl Screams Long Hi CRT028201
- Hollywoodedge, Gooey Splat CRT052405
- Hollywoodedge, Growls Asthmatic Br AHS040701/Pro Sound Effects, Hyena, CU Grunts and Moans, Breathing, Distressed, Various Versions
- Hollywoodedge, Grunt 5 Male Strained PE132501
- Hollywoodedge, Heavy Bonk Wbass Dru CRT033001
- Hollywoodedge, Heavy Thick Splat CRT052404
- Hollywoodedge, High Pitched Whistl CRT018103
- Hollywoodedge, Junk Crash Floor CRT033401
- Hollywoodedge, Kick Fly Tumble Wbel CRT033801 (2nd hit; heard once in "Wild Wild World 3".)
- Hollywoodedge, Large Breathy Vocal CRT027401
- Hollywoodedge, Long Flappy HonkieD CRT021602
- Hollywoodedge, Man Crying Almost Li CRT024501 (Used for Yellow when he cries, it was also used in a high pitch for Red when he cries.)
- Hollywoodedge, Man Snoring Wdeep Sn CRT025002 (Used for Yellow when he snores.)
- Hollywoodedge, Man Yawns Softly Wwh CRT028101
- Hollywoodedge, Man Yells Long Paine CRT028302
- Hollywoodedge, Man Yells Mediumhig CRT028301 (Scream 1 and 3 heavily used for Yellow in a lower pitch when he screams; also used in a normal pitch for some episodes.)
- Hollywoodedge, Mediumhigh Pitched CRT023301 (Heard in "Flower Farts".)
- Hollywoodedge, Metal Clang Impact CRT032102
- Hollywoodedge, Monster Type 2 Roars EVL053701 (Heard once in "Insectivorous Plant".)
- Hollywoodedge, Mute Trumpet Yoohoo CRT045201 (Heard once in "Ice Cream".)
- Hollywoodedge, Muted Trumpet Long CRT044504
- Hollywoodedge, Muted Trumpet Short CRT044604
- Hollywoodedge, Quick High Razz CRT040701 (Used frequently in various episodes, i.e. "Insect Killer 3".)
- Hollywoodedge, Quick Musical Gliss CRT048403
- Hollywoodedge, Rapid High Percuss CRT041408
- Hollywoodedge, Rapid Lip Smacks Voc CRT026402
- Hollywoodedge, Raspberry Fart Flap CRT050203 (Heard once in "Hot Spring".)
- Hollywoodedge, Rubber Ball Bounces CRT041801
- Hollywoodedge, Screams 3 Man Gutwren PE134401 (Heard in the "Oil" animatic.)
- Hollywoodedge, Several Rapid Swish CRT054101
- Hollywoodedge, Short Electric Shoc CRT059301
- Hollywoodedge, Slide Whistleup 6 Var AC010101 (Heard once in "Sushi" and "Insect Killer 3".)
- Hollywoodedge, Slip Fall Whorn Cymbal CRT058102
- Hollywoodedge, Sloppy Chewing Wslu CRT026503
- Hollywoodedge, Sm Animal Falls Funy CRT013202
- Hollywoodedge, Small Gong Scrape CRT048701 (Heard once in "Ice Cream".)
- Hollywoodedge, Snore 1 Close Breathi PE135901 (Used for Yellow when he snores.)
- Hollywoodedge, Spitting Sputterin CRT027404
- Hollywoodedge, Spring Stretch Thud CRT032201
- Hollywoodedge, Suction Boink LB015101
- Hollywoodedge, Synthy Low Pit Boing CRT016101
- Hollywoodedge, Synthy Low Pit Boing CRT016102
- Hollywoodedge, Synthy Low Pit Boing CRT016103
- Hollywoodedge, Synthy Low Pit Boing CRT016105
- Hollywoodedge, Very Wet Lip Smackin CRT026505 (Heard once in "Nightmares".)
- Hollywoodedge, Wet Splats Various CRT052101
- Hollywoodedge, Wet Splats Various CRT052302
- Hollywoodedge, Whind Up Toy Click CRT036301
- Hollywoodedge, Whind Up Toy Click CRT036302
- Hollywoodedge, Woman Screamsahhh M CRT028203 (Heard in "Fire".)
- Hollywoodedge, Woman Screams LongP CRT028202 (Heard once in "Bee" and "Balance".)
- Hollywoodedge, Wooden Blck Hits Raz CRT019402
- Luxo Jr. Squeaking
- Olivia Scream
- Pro Sound Effects, Mosquito, Single CU, High Pitch Whistling, Flying/Sound Ideas, MOSQUITO - BUZZING, ANIMAL, INSECT
- Sound Ideas, ANIMAL, CREATURE - DINOSAUR: SQUEAL, HORROR, MONSTER, 6 TAKES, DINOSAURS, CREATURES BELLOWS, CALLS & CRIES
- Sound Ideas, ANIMAL, ELEPHANT - INDIAN ELEPHANT TRUMPETING, NO BACKGROUND (Heard once in "Mite".)
- Sound Ideas, ANIMAL, GROWL - LARGE CAT-LIKE COMPLEX SOUND 01 (Used for the Insectivorous plants when they growl.)
- Sound Ideas, ANIMAL, GROWL - LARGE CAT-LIKE COMPLEX SOUND 03
- Sound Ideas, ANIMAL, SCREAM - INTENSE, STRAINED, COMPLEX SCREAM: BATTLING DINOSAUR 07
- Sound Ideas, ANIMAL, TRUMPET - FLUTTERING, TRUMPETING, ELEPHANT-LIKE 01
- Sound Ideas, BASSOON, COMEDY - BASSOON: LAUGHING ACCENT, CARTOON 05 (Heard once in "Cement".)
- Sound Ideas, BIRD, ROOSTER - MORNING CALL, ANIMAL 01
- Sound Ideas, BIRD, ROOSTER - ROOSTER MORNING CALL, ANIMAL 01
- Sound Ideas, BITE, CARTOON - BIG SHARK BITE
- Sound Ideas, BITE, CARTOON - BONE BITE
- Sound Ideas, BITE, CARTOON - UNBITE BONE
- Sound Ideas, BLINK, CARTOON - XYLO EYE BLINKS
- Sound Ideas, BOING, CARTOON - HOYT'S BOING
- Sound Ideas, BOINK, CARTOON - DOINK 03/Sound Ideas, HIT, CARTOON - PAT'S BILP
- Sound Ideas, BOTTLE, CHAMPAGNE - POP CORK OUT OF BOTTLE 01
- Sound Ideas, BUBBLES, MUD - THICK, GLOPPY MUD BUBBLES, BOIL
- Sound Ideas, CARTOON, ACCENT - WHIZ, BONKS (Heard once in "Tag".)
- Sound Ideas, CARTOON, BOING - JEW'S HARP BOING, SHORT 01
- Sound Ideas, CARTOON, BONK - WOOD BONK 05
- Sound Ideas, CARTOON, CRY - FEMALE: CRYING, SOBBING, HUMAN (Used in a high pitch in "Pink's Secret".)
- Sound Ideas, CARTOON, LAUGHTER - HIGH PITCHED CRAZY LAUGHTER 01 (Used in a higher pitch for Red when he laughs.)
- Sound Ideas, CARTOON, LAUGHTER - HIGH PITCHED CRAZY LAUGHTER 02
- Sound Ideas, CARTOON, LAUGHTER - LOW, THROATY LAUGH, HUMAN 01
- Sound Ideas, CARTOON, LAUGHTER - MALE: COMICAL LAUGH, HUMAN 01
- Sound Ideas, CARTOON, POP - WHOOSHY POP
- Sound Ideas, CARTOON, RATTLE - RATTLING, WOOD (Heard once in "Fishing", "Wild Wild World 3" and "Wild Wild Wild World 1".)
- Sound Ideas, CARTOON, SQUEAK - SEVERAL RUBBER SQUEAKS, STRETCH
- Sound Ideas, CARTOON, SQUEAK - SQUEAKY SCREW 01
- Sound Ideas, CARTOON, SQUISH - WET SQUISH 01
- Sound Ideas, CARTOON, VOCAL - 'WOW!', HUMAN 02
- Sound Ideas, CARTOON, YAWN - BIG YAWN AND LIP SMACKS 01
- Sound Ideas, CARTOON, YELL - PAINFUL YELL 02
- Sound Ideas, CARTOON, ZIP - VERY QUICK (Used frequently in various episodes, i.e. "Wild Wild World 3".)
- Sound Ideas, CHILDREN, CROWD - SMALL STUDIO AUDIENCE OF CHILDREN: BIG CHEER, CHEERING 01
- Sound Ideas, COMEDY, CHASE - FUNNY CHASE ACCENT (Heard once in "Limbs")
- Sound Ideas, COMEDY, MOUTH HARP - MOUTH HARP: MUSICAL ACCENT (Heard once in "Staring Contest")
- Sound Ideas, CROWD, ANGRY - INDOOR: SMALL CROWD, ANGRY 05 (Heard once in a high pitch in "Ant".)
- Sound Ideas, DISHES, BOWL - PICK UP SINGLE BOWL FROM STACK
- Sound Ideas, DOOR, WOOD - OPEN 02 (H-B) (Heard twice in "Fortune Cookie".)
- Sound Ideas, ELECTRONIC - MAGICAL SWISH 03
- Sound Ideas, ELECTRICITY, SPARK - BIG ELECTRICAL SPARK 06
- Sound Ideas, ELECTRICITY, SPARK - HIGH VOLTAGE SPARK, ELECTRICAL 01
- Sound Ideas, ELECTRICITY, SPARK - HIGH VOLTAGE SPARK, ELECTRICAL 02
- Sound Ideas, ELECTRICITY, SPARK - HIGH VOLTAGE SPARK, ELECTRICAL 03
- Sound Ideas, ELECTRICITY, SPARK - HIGH VOLTAGE SPARK, ELECTRICAL 05
- Sound Ideas, ELECTRICITY, SPARK - HIGH VOLTAGE SPARK, ELECTRICAL 06
- Sound Ideas, ELECTRICITY, SPARK - HIGH VOLTAGE SPARK, ELECTRICAL 07
- Sound Ideas, ELECTRICITY, SPARK - HIGH VOLTAGE SPARK, ELECTRICAL 09
- Sound Ideas, ELECTRICITY, SPARK - HIGH VOLTAGE SPARK, ELECTRICAL 10
- Sound Ideas, ELECTRICITY, SPARK - HIGH VOLTAGE SPARK, ELECTRICAL 12
- Sound Ideas, ELECTRICITY, SPARK - HIGH VOLTAGE SPARK, VERY LARGE, ELECTRICAL
- Sound Ideas, FART - LARGE FART, HUMAN 03
- Sound Ideas, FIRE, BALL - IMPACT AND LARGE FIRE BURST, RUMBLE
- Sound Ideas, FLY - SINGLE FLY BUZZING, ANIMAL, INSECT (H-B)
- Sound Ideas, FLYPAPER - RASPY TRUMPET, CLARINET & PERCUSSION
- Sound Ideas, FOLEY - MISC - MUSIC: FUNERAL MARCH; ORCHESTRA; DEATH MUSIC
- Sound Ideas, FOLEY - MISC - MUSIC: HORROR STRINGS STING (Played in "Snot" and "Bug Bomb")
- Sound Ideas, FROG, BULLFROG - CROAKING, ANIMAL, AMPHIBIAN 02
- Sound Ideas, GULP, CARTOON - BIG SWALLOW
- Sound Ideas, HIT, CARTOON - BIG HEAD BONK
- Sound Ideas, HIT, CARTOON - COCONUT HIT 01
- Sound Ideas, HIT, CARTOON - FLBONK
- Sound Ideas, HIT, CARTOON - KABLAM
- Sound Ideas, HIT, CARTOON - TAMBOO HIT 01
- Sound Ideas, HIT, CARTOON - ZIP AND HEAVY THUMP/Sound Ideas, THUMP, CARTOON - HEAVY THUMP
- Sound Ideas, HIT, HUMAN - BIG HEAVY FACE SLAP, CARTOON 01
- Sound Ideas, HIT, HUMAN - BIG HEAVY FACE SLAP, CARTOON 02
- Sound Ideas, HIT, HUMAN - BIG HEAVY FACE SLAP, CARTOON 03
- Sound Ideas, HUMAN, BABY - CRYING (Used once in a high pitch for the titular character when he cries in "Mite".)
- Sound Ideas, HUMAN, CRY - HEAVY CRYING: FEMALE (Heard once in a high pitch in "Alien".)
- Sound Ideas, HUMAN, EAT - CHEWING LIP SMACKS, CARTOON 01
- Sound Ideas, HUMAN, FART - LONG FART, COMEDY, CARTOON 04 (Heard once in "Toilet".)
- Sound Ideas, HUMAN, SCREAM - SCREAM: FEMALE, HORROR 03 (Used in a high pitch for Red when he screams.)
- Sound Ideas, MUSIC, BOX - SMALL MUSIC BOX: ROCK A BYE BABY (Used once in "Once Upon a Time")
- Sound Ideas, MUSIC, COMEDY THEME - DAMSEL IN DISTRESS: TAUT APPREHENSIVE TAG, CARTOON (Heard once in "Gum 1")
- Sound Ideas, MUSIC, COMEDY THEME - ONE CLOWN BAND: STROLLING TIPSY WALTZ, CARTOON (Heard once in "Perfume")
- Sound Ideas, MUSIC, COMEDY THEME - TA DAH FOR: CLASSIC PERFORMANCE FLOURISH, CARTOON (Heard once in "Airform")
- Sound Ideas, POP, CARTOON - HOYT'S POP (Heard once in "Insect Killer 2".)
- Sound Ideas, RUN, CARTOON - FAST RUN, LONG/SHORT
- Sound Ideas, SCREAM - MALE, AGONY, HUMAN, HORROR 02
- Sound Ideas, SCREAM - MALE: HORROR SCREAM, HUMAN
- Sound Ideas, SNARE DRUM - SNARE DRUM: ROLL WITH CYMBAL, MUSIC, PERCUSSION 02 (Heard once in "Mushroom.")
- Sound Ideas, SPACE, WHOOSH - FAST WHOOSH BY, SCI FI 09 (Heard once in "Wild Wild World 1".)
- Sound Ideas, SPOOGE, CARTOON - HIGH SPOOGE
- Sound Ideas, SPROING, CARTOON - SPRINGY SPROING, COMEDY 01
- Sound Ideas, SQUEAK, GLASS - QUICK GLASS RUB SQUEAK, CARTOON 01 (Used frequently in various episodes, i.e. "Wild Wild Wild World 1".)
- Sound Ideas, STRETCH, PLASTIC - PLASTIC STRETCHING SQUEAKS, CARTOON 03
- Sound Ideas, SQUEAK, RUBBER - RUBBING (Heard once in "Wild Wild World 2".)
- Sound Ideas, SQUEEZE, CARTOON - SQUINGE
- Sound Ideas, SQUIRREL - CHATTERING, ANIMAL, RODENT (H-B)
- Sound Ideas, SQUIRT, CARTOON - BIG SLOPPY SQUISH, COMEDY 01
- Sound Ideas, SQUISH, MUD - SINGLE MUD BUBBLE SQUISH 02 (Heard in "Flying Yellow" and "Gum")
- Sound Ideas, SUCTION, AIR - VOCAL SUCTION THROUGH TUBE, CARTOON
- Sound Ideas, SUSPENSE ACCENTS - ORCHESTRAL SUSPENSE CLIMAX ACCENT
- Sound Ideas, SWISH, CARTOON - SINGLE SWISH
- Sound Ideas, SWITCH, CARTOON - PUSH BUTTON SWITCH, SINGLE
- Sound Ideas, TEETH, CARTOON - SCOOBY'S TEETH CHATTER, LONG/Sound Ideas, TEETH, CARTOON - SCOOBY'S TEETH CHATTER, SHORT
- Sound Ideas, TWANG, CARTOON - BOWANG
- Sound Ideas, TWANG, CARTOON - HOYT'S BOW TWANG
- Sound Ideas, TOY - ANIMAL TOY: SINGLE SQUEAK 01
- Sound Ideas, TOY - ANIMAL TOY: SINGLE SQUEAK 02
- Sound Ideas, VIBRAPHONE - DREAM, SHORT, MUSIC, PERCUSSION, VIBES (Heard once in "Alien")
- Sound Ideas, WATER, SPLASH - LIGHT SPLASH, CARTOON 01
- Sound Ideas, ZIP, CARTOON - BIG WHISTLE ZING OUT
- Sound Ideas, ZIP, CARTOON - QUICK SLIDE WHISTLE ZIP DOWN (Heard once in "Insect Killer 1".)