There is continuous action scenes throughout the show that endanger the characters, but no one is seriously hurt, and wounds are often gone by the following scene/episode.
There is a running gag where Dulcy the Dragon has a habit of crashlanding while flying, but it is used for humor, and she survives in a daze.
Dr. Robotnik often verbally threatens Snively, occasionally grabbing him. In the episode, "Sonic Conversion" he forces Snively's head into his mouth to prove he metaphorically has no heart.
Ixis Naugus tortures Dr. Robotnik by transforming him into different animals, including a pig, forcing him to eat dirt.
Characters who are captured by Dr. Robotnik are turned into robots ("Roboticized"), dying in a manner and losing their free will. Uncle Chuck is a victim of this, and later regains his mind but keeps his robot body. Dr. Robotnik and Bunnie Rabbot are partially roboticized and gain mechanical limbs.
Dr. Robotnik's robots and weapons are routinely destroyed every episode by the protagonists.
Slapstick violence is often used among the protagonists, particularly with Antoine D'Coolette.
In the episode "Fed Up with Antoine", a group of cannibalistic motor bikers try to eat Antoine, but this is not too severe and he is saved unharmed.