- Bill Weisbach, Harp Gliss Down (Heard it in the 2008 version.)
- Bill Weisbach, Helicopter Idle Sound (Heard in the 1998-2004; 2010 versions.)
- Bill Weisbach, Marimba Trill (1998-2004; 2010 versions.)
- Bill Weisbach, Trombone Slide
- Earshot, Birds Desert Morn
- Earshot, Birds Pond Quiet
- Earshot, Breeze/Birds Lp (Heard in the 2008 version.)
- Earshot, Elephant Trumpet
- Earshot, Kazoo Bugle Call C
- Earshot, Locker CLS 2 (Heard in the Castle Pounder scene when the balls go out of the door.)
- Earshot, Plane By Throaty (Heard in the 2008 version in a high pitch.)
- Earshot, Pop Gun (A-L)
- Earshot, Shaker Rhythm B (Heard in the bulldog puppet scene.)
- Earshot, Slide Whistle Down B (Comedy) (Heard in the 1998-2004; 2010 versions.)
- Earshot, Slide Whistle Up B (Comedy)
- Earshot, Thumb Taps
- H-B FROG - SINGLE RIBBIT, ANIMAL, AMPHIBIAN/Hollywoodedge, Single Frog Croak Cl CRT013001 (Heard in the 1998 version in a low pitch, and in a normal pitch in later versions.)
- Hollywoodedge, Bear Grizzly Growl Si AT031301 (Not used in the video; used in the Discovery Cards in the bonus features on the 2008 DVD.)
- Hollywoodedge, Bird Canary SingingC PE020201 (Heard in the 1998-2004 versions.)
- Hollywoodedge, Bird Duck Quacks Clos PE020501 (Heard in the animals sounds of “Twinkle Twinkle” in various pitches in 1998-2004 versions.)
- Hollywoodedge, Birds Chickens Cackl PE020301
- Hollywoodedge, Cats Two Meowing Clos PE022401 (Heard in the animal sounds of “Twinkle Twinkle” in various pitches in 1998-2004 versions.)
- Hollywoodedge, Cow Moos Three TimesC PE022901 (Heard in the animal sounds of “Twinkle Twinkle” in various pitches in 1998-2004 versions.)
- Hollywoodedge, Crowd 30000 WWhistl LCA010401 (Heard once after the end of Symphony No. 41 in C Major, "Jupiter", K. 551, 4th Movement.)
- Hollywoodedge, Ducks Quacks ADuck Qu AT085301 (Heard in a high pitch in the Discovery Cards in the bonus features on the 2008 DVD.)
- Hollywoodedge, Elephant Single Clas AT043701 (Not used in the video; used in the Discovery Cards in the bonus features on the 2008 DVD.)
- Hollywoodedge, Field Meadow Light Br BT020801 (Heard in the Castle Pounder scene and in the Rikki Rooster scene.)
- Hollywoodedge, German Shepard Barks PE023501 (Heard in the animal sounds version of "Twinkle Twinkle" in high, and low pitches in 1998-2004 versions.)
- Hollywoodedge, Kitten Domestic Meow AT011301 (Not used in the video; used in the Discovery Cards in the bonus features on the 2008 DVD.)
- Hollywoodedge, Large Group Kids On Pl PE143001/Hollywoodedge, Playground Schoolya BT041401
- Hollywoodedge, Night Ambience Light PE011701
- Hollywoodedge, Rooster Crow Typical AT086301 (Not used in the video; used in the Discovery Cards in the bonus features on the 2008 DVD.)
- Hollywoodedge, Rooster Crowing SS027402
- Hollywoodedge, Single Cricket Spora PE012001
- Hollywoodedge, Splash Water SS016901
- Hollywoodedge, Thunder Dry Rumbles PE050901 (Heard when "Sonata for Two Pianos" ends.)
- Hollywoodedge, Whistle Human Finger PE139801
- Korg GM Bell Tree Sound
- Korg GM Cuica Sound (Heard in the 2008 and 2010 versions, mute cuica only.)
- SM64 Star Sparkle Sound
- Sound Ideas, ANIMAL, DOG - LARGE DOG: GOLDEN RETRIEVER: BARKING (Heard in the 2008 and 2010 versions.)
- Sound Ideas, APPLAUSE - INDOOR: MEDIUM CROWD IN THEATER, AUDIENCE, THEATRE 02 (Heard in the 2008 version.)
- Sound Ideas, BIRD, DUCK - MALLARD DUCK: CONSTANT CALLING, ANIMAL (Heard in the 2008 and 2010 versions.)
- Sound Ideas, BIRD, DUCK - MALLARD DUCK: SINGLE CALL, ANIMAL (Heard in the 2008 and 2010 versions.)
- Sound Ideas, BOINK, CARTOON - LITTLE BOINK (Heard quadrice in the 2010 version in various high pitches.)
- Sound Ideas, CAMERA, MOVIE - 8MM: WIND UP AND RUN (Heard in Baby Mozart's Music Box.)
- Sound Ideas, CAT, DOMESTIC - HOUSE CAT: SINGLE MEOW, ANIMAL 01 (Heard in the 2008 and 2010 versions.)
- Sound Ideas, COW - SINGLE MOO, ANIMAL 02 (Used generally in the 2008 and 2010 versions)
- Sound Ideas, CROWD, BRAVO - INDOOR: SMALL CROWD, APPLAUSE WITH 'BRAVO', AUDIENCE 02
- Sound Ideas, CROWD, INDOOR - MEDIUM CROWD: ENTERING LARGE HALL, AMBIENCE (Heard once in the warning screen, as the orchestra warms up in the 1998 to 2002 versions.)
- Sound Ideas, DOG, PUPPY - BARKING, ANIMAL (Not used in the video; used in the Discovery Cards in the bonus features on the 2008 DVD.)
- Sound Ideas, HELICOPTER - BELL 206: INTERNAL: HOVERING (Heard in the 2000-2004; 2010 versions, muffled and sped-up)
- Sound Ideas, HELICOPTER - BELL 206: INTERNAL: IDLE, TAKE OFF, RADIO COMMUNICATIONS (Heard in the 2000-2004; 2010 versions.)
- Sound Ideas, ORCHESTRA BELLS - GLISS, UP, MUSIC, PERCUSSION
- Sound Ideas, PLUCK, CARTOON - SINGLE BLURP (Heard quadrice in the 2010 version.)
- Sound Ideas, RESIDENTIAL, NIGHT - RESIDENTIAL NIGHT TIME AMBIENCE: CLOSE CRICKETS, INSECTS (Heard in the 2010 version.)
- Unknown Balloon Squeaking Sound
- Unknown Baton Tapping Sound (low-pitched)
- Unknown Dog Running Sound (Heard when the bulldog puppet runs away.)
- Unknown Large Stomp Sound (Heard in the scene with Baby Brontosaurus and Activity Globe.)
- Unknown Liquid Cork Pop Sound (Heard in the Castle Pounder scene when the hammer hits the balls.)
- Unknown Magic Chimes Sound
- Unknown Metronome Ticking Sound
- Unknown Mouth Pop Sound (Heard once after the end of "Piano Sonata No. 17 in Bb Major, K.570, 3rd Movement".)
- Unknown Small Brass Wind Chimes Sound (Heard in the quote, 2010 only.)
- Unknown Train Whistling Sound 01
- Voice Crystal, Ascending Chimes Sound