The show mainly uses Hanna-Barbera sound effects, but it also uses those from Cartoon Trax Volume 1, Premiere Edition Volume 1, and Rural Sound Effects by Digiffects - Series C.
- H-B ZIP, CARTOON - LOW WHISTLE ZING OUT (Heard once in "Wanted!" and twice in "Hair Today, Gone Tomorrow" and "The Day They Took Gnasher Away".)
- Hollywoodedge, Belch 7 Long Disgusti PE138601 (Heard once in "Bathnight Club".)
- Hollywoodedge, Bell Tower ClassicT PE191201 (Heard once in "Hair Today, Gone Tomorrow".)
- Hollywoodedge, Bird Peacock Calls Cl PE021401 (Heard once in "Gorilla Warfare".)
- Hollywoodedge, Bounce Jews Harp CRT015804 (Heard once in "Bathnight Club".)
- Hollywoodedge, Cats Two Angry YowlsD PE022601 (Heard once in "Unidentified Funny Object".)
- Hollywoodedge, Clssic Two Door Bell CRT014301 (Heard once in "The Day They Took Gnasher Away", "Dennis Ahoy!", and "Wanted!".)
- Hollywoodedge, Elephant Trumpeting PE024801 (2nd trumpet; heard once in "Gorilla Warfare".)
- Hollywoodedge, Fart 1 Medium Fart Clo PE138901 (Heard once in "Dennis Ahoy!" and "Gorilla Warfare".)
- Hollywoodedge, Funny Metal Clink CRT041402 (Heard once in "The Day They Took Gnasher Away" and "Wanted!" where it was used as a woodpecker's pecking sound.)
- Hollywoodedge, Funny Rapid GlassyM CRT041401 (Used when Gnasher wags his tail.)
- Hollywoodedge, Funny Sgl Chicken CRT011001 (Heard once in "Revenge of the Robots" and "Dennis Ahoy".)
- Hollywoodedge, Head Bonk Wbell Drum CRT031901 (Heard once in "Bathnight Club".)
- Hollywoodedge, Lg Metal Wheel Creak CRT053701 (Heard in the intro, "Hair Today, Gone Tomorrow", and "Bathnight Club".)
- Hollywoodedge, Medium Exterior Crow PE140401
- Hollywoodedge, Morning Park Birds Me PE010501
- Hollywoodedge, Police Whistle Long CRT059102 (Used when Bonzo the police dog blows his whistle in "The Day They Took Gnasher Away".)
- Hollywoodedge, Racy Foreign Car Fast PE071201
- Hollywoodedge, Raspberry Fart Flap CRT050506 (Heard once in "Gorilla Warfare".)
- Hollywoodedge, Rooster Crow Typical AT086601
- Hollywoodedge, Rough Metallic Scra CRT017402
- Sound Ideas, SQUEAK, CARTOON - SHORT SCRAPING SQUEAK (Heard once in "Wanted!".)
- Hollywoodedge, Several Rapid Swish CRT054101 (Heard once in "The Day They Took Gnasher Away".)
- Hollywoodedge, Sharp Quick Snap Rev CRT017603/CARTOON - SMACK, SPIN, WHIRL DOWN AND DING/WHIRL, SNAP, SPIN, SMACK, TWIRL AND DING (Whistle part heard in a loop in "Dennis Ahoy!".)
- Hollywoodedge, Single Frog Croak Cl CRT013001 (Heard 18 times in "The Secret Diary".)
- Hollywoodedge, Sm Heavy Metal Door Sl PE185001 (Heard once in "Hair Today, Gone Tomorrow".)
- Hollywoodedge, Swamp Ambience Larg PE012401 (Used as ambience beneath Bonzo the police dog's fur to accent a jungle in "The Day They Took Gnasher Away".)
- Hollywoodedge, Telephone Rg Dual Ton PE170301 (Heard once in "Bathnight Club".)
- Hollywoodedge, Telephone Rings Fast PE170101/Telephones Electron TE043501 (Heard once in "Hair Today, Gone Tomorrow".)
- Hollywoodedge, Warning Buzzer Space PE194501 (Heard once in "Hair Today, Gone Tomorrow", "Bathnight Club", and "Wanted!".)
- Sound Ideas, AIRPLANE, JET - ATOM ANT JET BY (Heard in the intro and "Bathnight Club".)
- Sound Ideas, AIRPLANE, PROP - TWO PLANES DIVE
- Sound Ideas, BIRD, CHICKEN - SEVERAL CHICKS CHIRPING AND PEEPING, ANIMAL (Used as a songbird sound in "Hair Today, Gone Tomorrow".)
- Sound Ideas, BIRD, ROOSTER - ROOSTER MORNING CALL, ANIMAL 01/CARTOON, ROOSTER - MORNING CALL (Heard in multiple episodes.)
- Sound Ideas, BIRD, ROOSTER - ROOSTER MORNING CALL, ANIMAL 02 (Heard once in "Bathnight Club".)
- Sound Ideas, BIRD, TAWNY OWL - TAWNY OWL, STRIX ALUCO, BIRD, DIGIFFECTS (Heard in a low pitch in multiple episodes.)
- Sound Ideas, BIRDS, JUNGLE - AFTERNOON JUNGLE BIRDS CALLING, ANIMAL (Used in a high pitch as ambience beneath Gnasher's fur to accent a jungle in "The Day They Took Gnasher Away".)
- Sound Ideas, BIRDS, VARIOUS - MANY BIRDS CHIRPING, ANIMAL
- Sound Ideas, BOING, CARTOON - BOING AND SPRING (Heard often in "The Day They Took Gnasher Away", thrice in "Hair Today, Gone Tomorrow", and twice in "Bathnight Club", "Dennis Ahoy!", and "Wanted!".)
- Sound Ideas, BOING, CARTOON - BROKEN SPROING (Heard once in "The Day They Took Gnasher Away" (mixed with HIT, CARTOON - FLAT PEEONG 01), "Wanted!", and "Gorilla Warfare" and twice in "Dennis Ahoy!".)
- Sound Ideas, BOING, CARTOON - DRUM HIT WITH TAKE/TAKE, CARTOON - SILLY SPRINGY TAKE (Heard once in "The Day They Took Gnasher Away", "Bathnight Club", and "Gorilla Warfare".)
- Sound Ideas, BOING, CARTOON - EARS DRUM BOUNCE (Heard once in "Wanted!" and twice in "Bathnight Club".)
- Sound Ideas, BOING, CARTOON - GONG BOING
- Sound Ideas, BOING, CARTOON - GOOD SPRONG 01 (Heard once in "Hair Today, Gone Tomorrow", "Dennis and the Beanstalk", and "Dennis Ahoy!" and twice in "Bathnight Club".)
- Sound Ideas, BOING, CARTOON - HOYT'S BOING COLLECTION 01 (Heard once in "Revenge of the Robot".)
- Sound Ideas, BOING, CARTOON - SHORT FLAT BOING (Heard once in "The Day They Took Gnasher Away".)
- Sound Ideas, BOING, CARTOON - SHUFFLE AND BOINK (Heard once in "The Day They Took Gnasher Away" and "Revenge of the Robot".)
- Sound Ideas, BOING, CARTOON - SINGLE BOUNCE (Heard five times in "Bathnight Club".)
- Sound Ideas, BOING, CARTOON - SPROING 01 (Heard once in "Hair Today, Gone Tomorrow" and "Bathnight Club".)
- Sound Ideas, BOING, CARTOON - TIMP RISE AND BOING (Heard once in "Hair Today, Gone Tomorrow".)
- Sound Ideas, BOING, CARTOON - TROMBOING
- Sound Ideas, BOINK, CARTOON - BOINK 01 (Heard often in "Hair Today, Gone Tomorrow" and once in "The Day They Took Gnasher Away" and "Wanted!".)
- Sound Ideas, BOINK, CARTOON - BOINK 03 (Heard once in "Hair Today, Gone Tomorrow", "The Day They Took Gnasher Away", "Revenge of the Robot", and "Wanted".)
- Sound Ideas, BOINK, CARTOON - DOINK 02 (Heard several times in "The Day They Took Gnasher Away".)
- Sound Ideas, BOINK, CARTOON - DOINK 03/Sound Ideas, HIT, CARTOON - PAT'S BILP
- Sound Ideas, BOINK, CARTOON - HOYT'S BOINK (Heard once in a high pitch in "Dennis Ahoy!".)
- Sound Ideas, BORK, CARTOON - LOUD ZORK (Heard once in "Dennis Ahoy!", twice in "The Day They Took Gnasher Away" and quadrice in "Bathnight Club".)
- Sound Ideas, BORK, CARTOON - LOW BORK (Heard twice in "Bathnight Club" and often in "Wanted!".)
- Sound Ideas, CREAK, WOOD - SHORT WOOD CREAK (Heard once in "The Day They Took Gnasher Away" and "Revenge of the Robot" and in a low pitch in "Bathnight Club" and "Wanted!".)
- Sound Ideas, DOOR, METAL - JOE'S METAL DOOR: CLOSE AND RATTLE (Used as a door opening sound in "The Day They Took Gnasher Away" and "Wanted!".)
- Sound Ideas, DOOR, METAL - UNLATCH (Heard once in "The Day They Took Gnasher Away" and "Wanted!".)
- Sound Ideas, DOOR, WOOD - SQUEAKY OPEN (Heard once in "The Day They Took Gnasher Away" and twice in "Bathnight Club".)
- Sound Ideas, HIT, CARTOON - BIG HEAD BONK (Heard once in "The Day They Took Gnasher Away".)
- Sound Ideas, HIT, CARTOON - BIG HEAD HIT (Heard once in "Wanted!".)
- Sound Ideas, HIT, CARTOON - BRAKE DRUM HIT (Heard once in "Dennis Ahoy!".)
- Sound Ideas, HIT, CARTOON - FLAT BONK (Heard once in "Wanted!" and often in "Bathnight Club".)
- Sound Ideas, HIT, CARTOON - FLAT PEEONG 01 (Heard once mixed with BOING, CARTOON - BROKEN SPROING in "The Day They Took Gnasher Away".)
- Sound Ideas, HIT, CARTOON - KABLAM (Heard once in "Hair Today, Gone Tomorrow".)
- Sound Ideas, HIT, CARTOON - LID ON MANHOLE HIT (Heard once in a low pitch in "Hair Today, Gone Tomorrow".)
- Sound Ideas, HIT, CARTOON - METAL PAN ON HEAD (Heard once in a low pitch in "The Day They Took Gnasher Away".)
- Sound Ideas, HIT, CARTOON - SHARP HEAD HIT WITH METAL PAN (Heard once in a low pitch in "The Day They Took Gnasher Away".)
- Sound Ideas, HIT, CARTOON - SLIDE IN AND FLBONK (Heard once in "Dennis Ahoy!" and "Gorilla Warfare" and twice in "The Day They Took Gnasher Away".)
- Sound Ideas, HIT, CARTOON - ZIP AND HEAVY THUMP (Heard once in "The Day They Took Gnasher Away" and "Dennis Ahoy!".)
- Sound Ideas, HORN, CARTOON - OLD BULB HORN (Heard once in "The Day They Took Gnasher Away".)
- Sound Ideas, PICK, CARTOON - FIDDLE PICK AND RISE, HIGH 01 (Heard in "The Day They Took Gnasher Away".)
- Sound Ideas, PICK, CARTOON - FIDDLE PICK AND RISE, LOW (Heard once in "The Day They Took Gnasher Away".)
- Sound Ideas, PICK, CARTOON - FIDDLE PICK AND RISE, MEDIUM 01 (Heard in "The Day They Took Gnasher Away".)
- Sound Ideas, PLINK, CARTOON - SOUR PLINK (Heard once in a high pitch in "The Day They Took Gnasher Away".)
- Sound Ideas, RICOCHET - BOW STRING RICCO
- Sound Ideas, RICOCHET - CARTOON RICCO 01
- Sound Ideas, RICOCHET - CARTOON RICCO 02 (Heard once in "The Day They Took Gnasher Away".)
- Sound Ideas, RICOCHET - CARTOON RICCO 03 (Heard once in "The Day They Took Gnasher Away".)
- Sound Ideas, RICOCHET - CARTOON RICCO 04 (Heard once in "The Day They Took Gnasher Away" and twice in "Dennis Ahoy!".)
- Sound Ideas, RICOCHET - CARTOON RICCO 05 (Heard once in "Bathnight Club".)
- Sound Ideas, RICOCHET - CARTOON RICCO 07 (Heard once in "Hair Today, Gone Tomorrow", "Revenge of the Robot", and "Unidentified Funny Object".)
- Sound Ideas, RICOCHET - EXPLOSIVE RICCO (Heard once in "The Day They Took Gnasher Away", "Revenge of the Robot", "Dennis and the Beanstalk", and "Bathnight Club".)
- Sound Ideas, RICOCHET - WAFFLE RICCO (Heard once in "The Day They Took Gnasher Away".)
- Sound Ideas, RICOCHET - WHINE TUBE RICCO (Heard once in "The Day They Took Gnasher Away".)
- Sound Ideas, RICOCHET - WHOOF TUBE RICCO (Heard once in "Wanted!", twice in "Dennis Ahoy!" and thrice in "The Day They Took Gnasher Away".)
- Sound Ideas, RUN, CARTOON - BLOP GALLOP, LONG (Heard once in "The Day They Took Gnasher Away".)
- Sound Ideas, RUN, CARTOON - TEMPLE BLOCK RUN UP 02 (Heard once in "The Day They Took Gnasher Away".)
- Sound Ideas, RUN, CARTOON - WIND WHISTLE SCAT (Heard once in "Hair Today, Gone Tomorrow".)
- Sound Ideas, SCI FI - EERIE SPACE (Heard in "Unidentified Funny Object".)
- Sound Ideas, SCI FI - FREEZE GUN, LONG (Heard quadrice in "The Day They Took Gnasher Away".)
- Sound Ideas, SCI FI - GREEN LANTERN RAY 02 (Heard once in "The Day They Took Gnasher Away".)
- Sound Ideas, SCI FI - LEGION OF DOOM BACKGROUND (Heard once in "Wanted!".)
- Sound Ideas, SCI FI - TRANSFORM (Heard in a loop in "Wanted!".)
- Sound Ideas, SKID, CARTOON - BENT SKID (Heard once in a descending pitch in "The Day They Took Gnasher Away".)
- Sound Ideas, SKID, CARTOON - BROKEN SKID (Heard once in a low pitch in "Hair Today, Gone Tomorrow", "Bathnight Club", and "Revenge of the Robot".)
- Sound Ideas, SKID, CARTOON - SHORT SKID (H-B) (Heard in a low pitch in multiple episodes.)
- Sound Ideas, SLIDE, CARTOON - FAST SLIDE UP AND DOWN 02 (Heard five times in "Hair Today, Gone Tomorrow" and once in "Bathnight Club" and "Wanted!".)
- Sound Ideas, SLIDE, CARTOON - FIDDLE SLIDE DOWN, SHORT (Heard twice in a low pitch in "Hair Today, Gone Tomorrow".)
- Sound Ideas, SLIDE, CARTOON - FIDDLE SLIDE UP 01 (Heard twice in a low pitch in "Hair Today, Gone Tomorrow" and once in a normal pitch in "The Day They Took Gnasher Away".)
- Sound Ideas, SLIDE, CARTOON - FIDDLE SLIDE UP, SHORT 01 (Heard twice in a low pitch in "Hair Today, Gone Tomorrow".)
- Sound Ideas, SLIDE, CARTOON - FIDDLE SLIDE UP, SHORT 02 (Heard twice in a low pitch in "Hair Today, Gone Tomorrow".)
- Sound Ideas, SPIN, CARTOON - SPIN COMMOTION (Heard once in "Revenge of the Robot", "Hair Today, Gone Tomorrow" and twice in "The Day They Took Gnasher Away" and thrice in "Bathnight Club".)
- Sound Ideas, SQUEAK, CARTOON - FUNNY HEAD SCRATCH SQUEAKS (Heard once in "Hair Today, Gone Tomorrow", "Dennis and the Beanstalk", and "Wanted!" and twice in "The Day They Took Gnasher Away".)
- Sound Ideas, SQUEAK, CARTOON - LITTLE TWANGY ZIP (Heard once in "Hair Today, Gone Tomorrow" and "Bathnight Club".)
- Sound Ideas, SQUEEZE, CARTOON - HOYT'S SQUEAKY SQUEEZE (Heard twice in "The Day They Took Gnasher Away" and often in "Wanted!".)
- Sound Ideas, SQUISH, CARTOON - SQUDGE (Heard once in the "The Day They Took Gnasher Away".)
- Sound Ideas, SWISH, CARTOON - FAST TWIRLING SWISH, LONG (Heard once in "The Day They Took Gnasher Away" and "Wanted!".)
- Sound Ideas, STEAM - STEAM OR GAS PIPE HISS
- Sound Ideas, STRETCH, CARTOON - RESIN STRING STRETCH
- Sound Ideas, STRETCH, CARTOON - RUBBER STRETCH, SHORT 01 (Heard once in "The Day They Took Gnasher Away".)
- Sound Ideas, STRETCH, CARTOON - RUBBER STRETCH, SHORT 02 (Heard once in "Dennis Ahoy!".)
- Sound Ideas, TAKE, CARTOON - FLAT TUBE TAKE (Heard once in "The Day They Took Gnasher Away", "Bathnight Club", and "Unidentified Funny Object".)
- Sound Ideas, TAKE, CARTOON - FUNNY RUN UP TAKE (Heard once in "Gorilla Warfare".)
- Sound Ideas, TAKE, CARTOON - WAFFLE TUBE TAKE (Heard once in "Skull & Crossbones".)
- Sound Ideas, TEETH, CARTOON - SCOOBY'S TEETH CHATTER, LONG/SHORT (Heard once in "Bathnight Club".)
- Sound Ideas, TIP TOE, CARTOON - XYLOPHONE TIP TOE, MEDIUM (Used when Gnasher wags his tail.)
- Sound Ideas, TWANG, CARTOON - HOYT'S BOW TWANG (Heard twice in "Wanted!".)
- Sound Ideas, TWANG, CARTOON - METALLIC RULER VIBRATE (Heard once in "Gorilla Warfare".)
- Sound Ideas, WHINE, CARTOON - SHELL SCREAMING WHINE DOWN (Heard once in "Wanted!" and quadrice in the "The Day They Took Gnasher Away".)
- Sound Ideas, WHIPLASH, CARTOON - STRETCH AND SNAP (Heard once in "Hair Today, Gone Tomorrow" and "Skull & Crossbones".)
- Sound Ideas, WOBBLE, CARTOON - SAW BLADE WOBBLE, MEDIUM 01 (Heard once in "Wanted!".)
- Sound Ideas, WOLF - LONG HOWL, ANIMAL 01 (Heard at the beginning of "Unidentified Funny Object".)
- Sound Ideas, ZIP, CARTOON - BIG WHISTLE ZING IN
- Sound Ideas, ZIP, CARTOON - BIG WHISTLE ZING OUT
- Sound Ideas, ZIP, CARTOON - BIRD ZIP (Heard once in "Bathnight Club".)
- Sound Ideas, ZIP, CARTOON - FUNNY WHINE ZIP (Heard once in "Wanted!".)
- Sound Ideas, ZIP, CARTOON - HIGH ENERGY ZIP
- Sound Ideas, ZIP, CARTOON - HIGH FIDDLE ZIP
- Sound Ideas, ZIP, CARTOON - HIGH XYLO ZIP (Heard once in "The Day They Took Gnasher Away".)
- Sound Ideas, ZIP, CARTOON - HOYT'S ZIP
- Sound Ideas, ZIP, CARTOON - KEEN ZIP IN (Heard once in "Bathnight Club", "Dennis and the Beanstalk", and "Wanted!" and thrice in "The Day They Took Gnasher Away".)
- Sound Ideas, ZIP, CARTOON - KEEN ZIP OUT (Heard once in "The Day They Took Gnasher Away" and "Dennis Ahoy!" and twice in "Wanted!".)
- Sound Ideas, ZIP, CARTOON - LONG RICCO ZIP IN 01 (Heard once in "The Day They Took Gnasher Away" and "Dennis Ahoy!.)
- Sound Ideas, ZIP, CARTOON - LONG RICCO ZIP IN 03 (Heard once in "Wanted!".)
- Sound Ideas, ZIP, CARTOON - QUICK FIDDLE ZIP DOWN (Heard once in "Bathnight Club".)
- Sound Ideas, ZIP, CARTOON - QUICK FIDDLE ZIP UP (Heard twice in a low pitch in "Hair Today, Gone Tomorrow" and twice in a normal pitch in "The Day They Took Gnasher Away".)
- Sound Ideas, ZIP, CARTOON - QUICK FIDDLE ZIP UP, HIGH (Heard quadrice in a low pitch in "Hair Today, Gone Tomorrow" and once in a normal pitch in "The Day They Took Gnasher Away".)
- Sound Ideas, ZIP, CARTOON - QUICK SLIDE WHISTLE ZIP DOWN (Heard once in "The Day They Took Gnasher Away" and "Bathnight Club".)
- Sound Ideas, ZIP, CARTOON - QUICK SLIDE WHISTLE ZIP UP (Heard once in "The Day They Took Gnasher Away", "Bathnight Club", and "Gorilla Warfare".)
- Sound Ideas, ZIP, CARTOON - QUICK WHISTLE ZIP IN
- Sound Ideas, ZIP, CARTOON - QUICK WHISTLE ZIP OUT (Heard twice in "The Day They Took Gnasher Away" and once in "Dennis and the Beanstalk", "Wanted!" and "Gorilla Warfare".)
- Sound Ideas, ZIP, CARTOON - QUICK WHISTLE ZIP OUT, HIGH
- Sound Ideas, ZIP, CARTOON - RICCO ZIP IN 01 (H-B)
- Sound Ideas, ZIP, CARTOON - RICCO ZIP IN 02 (H-B) (Heard once in "Bathnight Club".)
- Sound Ideas, ZIP, CARTOON - SHARP WHISTLE ZIP (Heard once in "The Day They Took Gnasher Away", "Dennis Ahoy!", and "Dennis and the Beanstalk", and thrice in "Wanted!".)
- Sound Ideas, ZIP, CARTOON - SHARP ZIP (Heard twice in "Bathnight Club".)
- Sound Ideas, ZIP, CARTOON - SHORT BABOO ZIP
- Sound Ideas, ZIP, CARTOON - TAKE ZIP (Heard often in "The Day They Took Gnasher Away" and once in "Revenge of the Robot", "Unidentified Funny Object", and "Dennis and the Beanstalk".)
- Sound Ideas, ZIP, CARTOON - ZURUP (Heard once in "Bathnight Club".)
- Sound Ideas, ZONK, CARTOON - HEAVY ZONK (Heard once in the Season 1 intro and in multiple episodes.)
- Sound Ideas, ZOOM, CARTOON - BROOM TAKE OFF (Heard once in "The Day They Took Gnasher Away", "Bathnight Club", "Dennis Ahoy!", "Wanted", and "Gorilla Warfare".)