Quarxs created between 1989 and 1993, and first aired for the pilot in 1991, was one of the earliest computer animated series and the first one produced in HD. It predated ReBoot. Each episode was made in HDTV and no more than three minutes long. Only twelve episodes of the original series of 100 have been created. The title was meant to describe a common name on mysterious, omnipresent and invisible creatures that were bending the laws of Physics, biology, optics... Discovered by a CryptoBiologist researcher, the Quarxs are presented as being the only and last explanation of the imperfection of the world.