Since this show is part of the Happy Tree Friends franchise, they share a lot of the same sound effects. Although there would be some new ones that wouldn't be reused in the original web series.

That being said, this show uses sound effects from the Cartoon Trax Volume 1, The Premiere Edition Volume 1, the Foley Sound Library, and the Series 4000 Hollywood Sound Effects Library, along with a lot of sound effects from The General Series 6000 Sound Effects Library. Some of the sound effects were custom-made foley effects done by Jim Lively, the show's sound designer.