Tyono Official Rating System/Ratings

Current ratings

 * Universe ; content which should be suitable for children
 * Caution ; content which may be unsuitable for very young children
 * 6 and over ; content restricted to children 6 and over
 * 10 and over ; content restricted to children 10 and over, can be aired between 9:00p.m. and 7:00a.m.
 * 14 or over ; content restricted to people 14 and over, can be aired between 10:00p.m. and 6:00a.m.
 * 18 or over ; content restricted to people 18 and over can be aired between 11:00p.m. and 5:00a.m.
 * Z-Class ; emergency rating which can only be sold online, can never be aired on TV, this rating has actually not been used since 2006

2013-present
In July 2013, the "K" rating was replaced by a "6" rating.