These ONAs were posted on the official RG Studios website and the director's YouTube channel. They feature Backkom shorts that did not appear in the main series or on its DVD release. This entry includes: Backkom Feature Trailer - Backkom falls through the roof of CGV, Korea's largest cinema chain, and then takes a seat in the first row of the theater. (2007, 39 sec) Backkom Filler Animation - Backkom is at a library. (2008, 53 sec) Backkom Song!! - Backkom jumps on a trampoline to a song. (2009, 30 sec) Backkom's Friends - Backkom triggers a chain reaction that topples various characters from the Backkom franchise and Sheep in the Island. (2009, 40 sec) Super Backkom - Backkom transforms into his Super Backkom form inside a portable restroom. (2009, 34 sec) Tightly - Backkom needs to transform into Super Backkom using the portable restroom again. This time, someone else is using it. (2009, 43 sec) Super Backkom Technology Test Video - Super Backkom fights a water monster and rescues a girl who closely resembles the rescued girl in the Makera Demo. (2012, 63 sec) Backkom Separate Garbage Animation - Backkom attempts to separate his garbage. (2013, 90 sec)