Scaredy and Hefty dressed as girls in one episode

Jokey Smurf as a running gag has surprise gift boxes which explode in the face of anybody who tries to open them. The boxes never seriously hurt anybody.

Azrael chases smurfs

A Smurf crashed into a tree and passed out a brief moment while the stick starts smolder with the friction of the rope.

A smurf says "Get the smurf outta here", while "smurf" is a censorship of "hell", "heck" or f-word possibly.

none, but mild references like Papa Smurf drinks a potion thanks to Brainy Smurf that drives him crazy in one episode

Mild comic peril.

None/Mild for neurodivergent viewers.