One mild sex reference in one episode.

A brief shot of male nudity (not sexualised, shows African tribes dressing)

All the nudity is natural, and is within the context of how African tribes dress. No sexualised nudity.

Some, although mainly mild comical violence.

Strong language is heard in every episode. Infrequent use of "Fuck" and "Shit". One bleeped usage of "Cunt". Frequent uses of British slang ("arse" "knob" "bollocks")