This website uses sound effects from The Premiere Edition Volume 1, Hanna-Barbera, Series 4000, Warner Bros., Cartoon Trax Volume 1 and 20th Century Fox.
- Dramatic Chipmunk Sound (Heard once in "Plot" and "Make Predictions".)
- Hollywoodedge, Air Horn Blasts Truck PE079701 (Heard thrice in "Woodwind Instruments".)
- Hollywoodedge, Ascending Whistles CRT057903 (Heard once in "Elapsed Time".)
- Hollywoodedge, Baby Laughs GigglesS PE144701 (Heard in "Harriet Tubman" and "Cynthia Rylant")
- Hollywoodedge, Big Crunchy Bite CRT026401
- Hollywoodedge, Bird Canary SingingC PE020201/Sound Ideas, BIRDS, VARIOUS - LIGHT CHIRPING, ANIMAL (Heard once in "Colors".)
- Hollywoodedge, Bird Duck Quacks Clos PE020501 (heard in "Possessive Nouns.", "Nouns", "Plot" and the "Migration" game.)
- Hollywoodedge, Bell Tower Three LowP PE191101 (Heard in "Time to the Hour")
- Hollywoodedge, Bird Parrot VariousS PE021301 (Heard in "Colors")
- Hollywoodedge, Bubble Pop CRT049201 (Heard once in "Sugar".)
- Hollywoodedge, Computer Warning Bee PE418001 (Heard twice in "Earth".)
- Hollywoodedge, Cuckoo Clock Strikin PE179401 (Heard once in "Medicines".)
- Hollywoodedge, Descending Whistle CRT057802 (Heard once in "Elapsed Time".)
- Hollywoodedge, Drip Single Falls Liq PE041201 (Heard once in "Winter".)
- Hollywoodedge, Drip Single Falls Liq PE041301 (Heard once in "Science Projects".)
- Hollywoodedge, Drip Single Falls Liq PE041401 (Heard once in "Science Projects".)
- Hollywoodedge, Dolphin Chirps Vocal PE024601 (Heard in "Mammals")
- Hollywoodedge, Elephant Single Clas AT043901 (Heard once in "Living and Nonliving Things".)
- Hollywoodedge, Funny Multi Swishes CRT054102/Sound Ideas, SWISH, CARTOON - TWIRLING SWISH, MEDIUM (Heard once in "Halloween".)
- Hollywoodedge, Fly Buzz Annoying So CRT010201 (Heard once in "Extinct and Endangered Species".)
- Hollywoodedge, Giggling Two Childre PE131001 or Hollywoodedge, Two Young Kids Giggle PE143501 (Heard in "Winter Holidays")
- Hollywoodedge, Girl Screams Long Hi CRT028201 (Used once for Mia when she screams in "Pitch, Tone, and Beat".)
- Hollywoodedge, Gusts Heavy Cold Wind PE031601 (Heard once in "Summer" and "Seasons".)
- Hollywoodedge, High Pitch Moose Cal CRT013101 (Heard once in "Short Story".)
- Hollywoodedge, Horses Several Whinn PE025201 (Heard once in "Short Story".)
- Hollywoodedge, Low Pitched Squeak CRT049301 (Heard once in "Plot")
- Hollywoodedge, Medium Exterior Crow PE140501 (Heard twice in "Plot" and heard once in "Homonyms".)
- Hollywoodedge, Piano Falls Wdangli CRT033603 (Heard once in "Time to the Minute".)
- Hollywoodedge, Rapid Metallic Warb CRT041204 (Heard once in "Time to the Minute".)
- Hollywoodedge, Screams 2 Man Yell Scre PE134301 (Heard once in "Johnny Appleseed".)
- Hollywoodedge, Servo Motor 5 Quick On PE202601 (Heard once in "E-mail".)
- Hollywoodedge, Several Rapid Swish CRT054101 (Heard once in a low pitch in "Sugar", "Goods and Services".)
- Hollywoodedge, Single Bat Wing Flap CRT010906 (Squeal only; used once for a seagull in "Natural Resources".)
- Hollywoodedge, Single Small Bell Di CRT015002 (1st ding heard once in a high pitch in "Butterflies".)
- Hollywoodedge, Slide Whistle In Out CRT057601 (Heard once in "Earth".)
- Hollywoodedge, Slide Whistle In Out CRT057801 (Heard once in "Illegal Drugs" and "Counting Coins".)
- Hollywoodedge, Small Animal Laugh CRT013301 (Heard once in "Short Story".)
- Hollywoodedge, Small Group Kids Chee PE142801 (Heard once in "Summer", "Pictographs", "Solving Word Problems" and "Time to the Quarter and Half Hour".)
- Hollywoodedge, Twangy Boings 7 Type CRT015901 (1st boing heard once in "Illegal Drugs".)
- Hollywoodedge, Vibraphone Gliss CRT047502 (Heard once in "Colors".)
- Hollywoodedge, Wet Splats Various CRT052303 (Heard once in "Eating Right".)
- Mac OS Boing (Heard once in "Changing States of Matter" and quadrice in "Pushes and Pulls".)
- Pac-Man Death Sound (Heard once in "Parts of a Computer".)
- Sound Ideas, APPLAUSE, CHEERING, CROWD - SMALL STUDIO AUDIENCE: APPLAUSE AND BIG CHEER 01 (Heard twice in "Verbs".)
- Sound Ideas, ARCADE, MUSIC - VIDEO GAME MUSIC: ELECTRONIC SYNTH MUSIC BED FOR LARGE AND HAND HELD GAMES 01 (Heard once in "Internet Safety".)
- Sound Ideas, BITE, CARTOON - BIG CHOMP (Heard once in "Sugar".)
- Sound Ideas, BOINK, CARTOON - BOINK 01 (Heard thrice in "Muscles", "ch" and "Solids, Liquids, and Gases".)
- Sound Ideas, BOINK, CARTOON - DOINK 02 (Heard once in "Subject and Verb Agreement".)
- Sound Ideas, CAMERA - CAMERA, CANON, MOTOR DRIVE, DIGIFFECTS (Heard once in "E-mail".)
- Sound Ideas, CARTOON, POP - SMALL POP 01 (Heard once in "Smoking".)
- Sound Ideas, CARTOON, POP - SMALL POP 02 (Heard once in "Smoking".)
- Sound Ideas, CARTOON, TWANG - WOBBLING SAW BLADE TWANG 02 (Heard once in "Colds and Flu".)
- Sound Ideas, CARTOON, WHISTLE - FALL WHISTLE, SHORT (Heard once in "Changing States of Matter".)
- Sound Ideas, CASH REGISTER - BELL RINGING (Heard often in "Making Change Under a Dollar".)
- Sound Ideas, CROWD, REACTION, 'AHH' - INDOOR: SMALL STUDIO CROWD, LIGHT, AUDIENCE
- Sound Ideas, GUN, RICOCHET - SHORT THIN RICOCHET, BULLET 02 (Heard once in "Pat Mora".)
- Sound Ideas, HIT, CARTOON - HEAVY TIMP RISE (Heard once in "Eating Right", "Muscles", "Email" and "Internet Safety".)
- Sound Ideas, HUMAN, BABY - CHILD CRYING, 10 MONTHS OLD, HUMAN, DIGIFFECTS (Heard once in "Lungs".)
- Sound Ideas, MUSIC ACCENTS & LOGOS - THE FANFARE (Heard once in "George Washington".)
- Sound Ideas, NOISEMAKER - PARTY NOISEMAKER, BEEP, DIGIFFECTS (Heard in "Abraham Lincoln" and "One Hundred".)
- Sound Ideas, PLINK, CARTOON - SOUR PLINK (Heard once in "Fire Safety".)
- Sound Ideas, POTTERY - CLAY POT: BREAK, CRASH, SMASH 02 (Heard once in "Physical and Chemical Changes".)
- Sound Ideas, REACTION, CROWD - MEDIUM STUDIO AUDIENCE: COUNTDOWN FROM 10, 'HAPPY NEW YEAR!' AND CHEER, CHEERING, NEW YEAR'S EVE 01 (Heard once in "Winter Holidays".)
- Sound Ideas, SWITCH, PULL - SWITCH WITH PULL CHAIN: FAST PULL (Heard once in "Gh".)
- Sound Ideas, TRAIN, STEAM - WHISTLE, MANY BLASTS, CLOSE UP (Heard once in "Harriet Tubman".)
- Sound Ideas, WHALE - WHALE SONG, ANIMAL
- SoundDogs, Train: Trains - Steam Train - MCU - Idle W Whistle, Away W Lots Of Swish & Chug, Interesting Alternating Hiss Which Stops At Some Point, No Wheels Or Clack-Tracks (Whistle only, Heard in "Eloise Greenfield")