Some villains can be disturbing such as Malware, Malgax, Dr Psychobos, Mucilator, Terroranchula and Ultimate Albedo, Ghostfreak and his minions, Dr. Viktor, Kuphulu, and Crüjo including Lord Transyl.
Way Bads, Ultimate Gravattack, Ultimate Spidermonkey and Ultimate Humungousaur can also frighten younger audiences.
The appearance of Kevin's Omniverse Mutation may scare young viewers.
This show contains strong frightening and intense scenes.
Bloxx dies after getting injured by Ultimate Humungousaur, causing younger viewers to get upset.
Swampfire dies after being killed by Kevin's Omniverse Mutation, causing young viewers to get upset.
There are also verbal references to the criminal acts.
Shocksquatch dies after being trapped by Ultimate Spidermonkey's web, causing young viewers to be upsetting.
The appearance of the Stone Creatures may scare younger viewers.
The dragon form of Charmcaster might scare younger viewers.
Maltruant and Kraab may frighten some younger viewers under 6 years of age.
Suggested (Deleted. Personal opinions about ratings are not appropriate for the Parents Guide.)
Canadian Home Video Rating in Ontario: 18A for Frightening Scenes. (This is the first time only most mature rating by Canada)
Nothing very violent, just frightening.