- AOL IM Sound (Heard a few times in "School Time")
- Datacraft, America2 - C&W (Heard once in "Car Wash".)
- Datacraft, Comical - Pop Music (cut-off)
- Datacraft, Educational Program - Fork (Heard once in a low pitch in "Car Wash".)
- Datacraft, Horror - Suspense 1
- Datacraft, Magic - Recovery Magic 3 (Heard once in "School Day".)
- EMI, Cars - Car Passing, Sounding Horn With Doppler Effect (Heard once in "Tire Marks" and "Street Hero".)
- Hollywoodedge, Doppler Horn By LeftT PE079801 (1st horn; heard once in "The New Wheels of Razy Kelly".)
- Hollywoodedge, Fire Truck Siren Clos PE081501 (Heard once in "Firefighting".)
- Hollywoodedge, Huey Helicopter Stea PE063201 (Heard once in "Hospital")
- Hollywoodedge, Wood Crash Large PE113501 (Heard once in "Halloween" and "Thanksgiving Day")
- Mac OS Droplet (Heard once in "Car Wash".)
- Mac OS Boing (Heard thrice in "Cinema" and 5 times in "Hospital".)
- Microsoft Windows Chimes Sound (Heard once in "The Dream of Mr. Wheeler")
- OMI, Saturday Cartoons - Ricochet 01
- Reveille Bugle Call (Heard once in "Toy Store")
- SoundDogs, Siren, Emergency: Sirens - Wailer - Ext - Choreographed Police Car Manuvers, In With Yelp, Distant Traffic, A Few Leaves Blowing Around, Siren Comes In And Out, Some Over Modulation Near 1:40 (Heard thrice in a low quality in "Police Day" and once in "Firefighting" and "Thanksgiving Day".)
- Sound Ideas, AUTO, SKID - BRAKE SKID, TIRE 03 (Heard once in "Car Wash" and "Police Day".)
- Sound Ideas, BIRD, FARM CHICKENS - CHICKENS CLUCKING, ROOSTER CROWING, IN BARN, BIRD, DIGIFFECTS (Without the final part; Heard once in Farm)
- Sound Ideas, BITE, CARTOON - BIG CHOMP (Heard once in "Supermarket")
- Sound Ideas, CARTOON, BOING - JEW'S HARP, REPEATING BOINGS (1st and 2nd boings; Heard a few times in "Lightning Rescuer)
- Sound Ideas, CARTOON, BOING - THIN METAL PING AND WARBLE 01 (Heard once in "Tire Marks".)
- Sound Ideas, CARTOON, BOING - TIMPANI, LONG GLISS UP, PERCUSSION, MUSIC, DRUMS
- Sound Ideas, CARTOON, BELL - SMALL BELL CHIME, SINGLE HIT, MUSIC, PERCUSSION, IDEA, ACCENT 02 (Heard in a low quality in the 2013-2019 opening logo.)
- Sound Ideas, CARTOON, WHISTLE - TRAIN WHISTLE, HIGH (Used as Blublu's whistle.)
- Sound Ideas, COMEDY, ACCENT - SPROINGS (2nd sproing; heard in some episodes.)
- Sound Ideas, ELEPHANT - ELEPHANT TRUMPETING, THREE TIMES, ANIMAL (Heard once in "Happy Birthday")
- Sound Ideas, FIRE TRUCK - EXTERIOR, START, TWO TRUCKS, PASS, SIREN (Heard twice in "Firefighting".)
- Sound Ideas, FIRE TRUCK - START, IDLE, PULL AWAY FROM SIDE, SIREN (Heard thrice in "Firefighting".)
- Sound Ideas, HEAD SHAKE, CARTOON - XYLO HEAD SHAKE (Heard thrice in "Lightning Rescuer")
- Sound Ideas, TELEPHONE, BELL - RING SEVERAL TIMES, OFFICE 02 (Heard once in "I Am A Good Boy")
- Sound Ideas, SKID, AUTO - AUTO PULL UP AND SKID TO STOP, TIRE (Heard twice in "Hospital")
- Sound Ideas, WATER, SPLASH - HEAVY SPLASH
- Sound Ideas, WHISTLE, STEAM - STEAM: SINGLE BLAST, COMEDY (Used as Blublu and RedRed's alternative whistles.)
- Sound Ideas, ZIP, CARTOON - BIG WHISTLE ZING OUT (Heard once in "Tire Marks".)
- Walter E. Disney #1 Whistle (Heard once in "Lightning Rescuer".)
- Unknown Ambulance Siren Sound Effect
- Unknown Spiral Whistle Sound Effect {https://www.youtube.com/watch?v=-vmXrynKlZQ&t=1s}
- Unknown Falling Sound Effect {https://www.youtube.com/watch?v=g7tB0b14BQ video isn't available anymore}
- Unknown Gasp Sound Effect
- Unknown Pluck Sound Effect
- Unknown Rattling Sound Effect