Dumbledore appears naked in some scenes, but there aren't any private parts or anything, more of just not having clothes on.

In one episode where Hagrid punches everyone in the face that may cause damage.

Everyone explodes except Voldemort at the end of the ''Mysterious Ticking Noise''

There's a lot of bleeped swearing.

There's some uses of ''damn''. Many uses of bleeped words and many uses of ''stupid''

"Wizard Booze" is mentioned but not shown throughout the series. Snape gets increasingly drunk in the episode "Neville's Birthday," but nothing too inappropriate.

At the end of ''Mysterious Ticking Noise'' everyone explodes except Voldemort might be intense for younger viewers.

Neville's appearance might be weird but not so scary