The film used sound effects from Hanna-Barbera, Warner Bros., Cartoon Trax Volume 1, The Premiere Edition Volume 1, The General Series 6000, Series 4000, Animal Trax, Lucasfilm, Skywalker Sound and Signature Series - Peter Michael Sullivan.
- Darth Vader's Breathing Sound (Twilight Sparkle imitates the breathing through her bubble underwater.)
- H-B BOING, CARTOON - LITTLE BOING
- H-B SPIN, CARTOON - WACKY SPIN WITH DRUM
- H-B WHINE, CARTOON - HIGH SHELL SCREAMING WHINE DOWN
- Hollywoodedge, Bang Whonk CRT032404
- Hollywoodedge, Bottle Rocket 2 Picco PE098501
- Hollywoodedge, Cat Domestic Meow Ang AT010603
- Hollywoodedge, Honk With Cymbal Crash CRT033005
- Hollywoodedge, Lightning 08 CloseG SIG012601
- Hollywoodedge, Low Pitched Squeak CRT049301
- Hollywoodedge, Quick Whistle Zip By CRT057501
- Hollywoodedge, Quick Whistle Zip By CRT057503
- Hollywoodedge, Quick Whistle Zip By CRT057505
- Hollywoodedge, Short Bass Honk WCow CRT032406
- Hollywoodedge, Short Nose Blowsbul CRT021101
- Hollywoodedge, Small Med Hi Boink CRT016002
- Hollywoodedge, Springy Boingelong CRT016705
- Hollywoodedge, Wet Splats Various CRT052303
- Hollywoodedge, Whistle Wbulb Horn CRT020801
- SKYWALKER, EXPLOSION - THE EXPLODING POP 01 (Heard once as The Storm King's death.)
- SKYWALKER EXPLOSION 10 / SKYWALKER FIRE ROARING SOUND (Heard twice when Spike breathes fire to make fire for the hot air balloon and on the Storm King's gaurds.)
- SKYWALKER LIGHTSABER SOUND (Heard once when Twilight Sparkle blasts the Storm Creatures with her magic.)
- SKYWALKER, WIND SOUNDS
- Sound Ideas, BITE, CARTOON - BIG CHOMP (Heard once during the end credits.)
- Sound Ideas, BITE, CARTOON - BONE BITE
- Sound Ideas, BLINK, CARTOON - XYLO EYE BLINKS
- Sound Ideas, BOING, CARTOON - BIG, LONG BOING
- Sound Ideas, BOING, CARTOON - HOYT'S BOING
- Sound Ideas, CARTOON, HORN - SHORT HORN TOOT, MEDIUM
- Sound Ideas, CARTOON, PLUCK - SMALL VIOLIN STRING PLUCK AND BEND 01
- Sound Ideas, CARTOON, POP - LITTLE POP
- Sound Ideas, CARTOON, SQUAWK - SMALL HORN BONK 01
- Sound Ideas, CARTOON, TWANG - WOBBLING TWANG
- Sound Ideas, CARTOON, WHIZZ - FAST WHIZZ BY
- Sound Ideas, CAT, DOMESTIC - 8 ANGRY SNARLS & HISSES, ANIMAL
- Sound Ideas, COMEDY, ACCENT - WHOOP WHISTLE: SHORT
- Sound Ideas, HIT, CARTOON - BIG HEAD BONK
- Sound Ideas, HIT, CARTOON - BRAKE DRUM AND BULB HORN HIT
- Sound Ideas, HIT, CARTOON - COCONUT HIT 02
- Sound Ideas, HIT, CARTOON - KABONG
- Sound Ideas, POTTERY - CLAY POT: BREAK, CRASH, SMASH 02
- Sound Ideas, PLUCK, CARTOON - VAROOP
- Sound Ideas, PLINK, CARTOON - SOUR PLINK
- Sound Ideas, SCI FI - ROCKET LAND SPEEDER: START AND AWAY
- Sound Ideas, SKID, CARTOON - BENT SKID
- Sound Ideas, SPLAT, CARTOON - WET HIT 02
- Sound Ideas, SQUISH, CARTOON - LITTLE SQUISH
- Sound Ideas, SQUAWK, CARTOON - BIG HORN SQUAWK
- Sound Ideas, STRETCH, ROPE - STRETCHING ROPE CREAK, LONG
- Sound Ideas, STRETCH, CARTOON - RUBBER STRETCH, LONG
- Sound Ideas, SWISH, CARTOON - FAST TWIRLING SWISH, LONG
- Sound Ideas, THUMP, CARTOON - TUBE THUNK 01
- Sound Ideas, TEETH, CARTOON - SCOOBY'S TEETH CHATTER, LONG
- Sound Ideas, TOY - ANIMAL TOY: SINGLE SQUEAK 02
- Sound Ideas, TOY - HORN: SINGLE SQUEAK
- Sound Ideas, WIND - HOWLING HORROR WIND, WEATHER
- Sound Ideas, ZIP, CARTOON - BIG WHISTLE ZING IN
- Sound Ideas, ZIP, CARTOON - RICCO ZIP IN 01 (R & B) or H-B ZIP, CARTOON - QUICK WHISTLE ZIP IN, HIGH
- Wilhelm Scream