There is no sex. However, there are sexual references, such as when Mike obliquely mentions the sorts of things Zeus does to women.

There is no nudity, other than Mike occasionally removing his shirt.

The only violence is to inanimate objects. People are not directly or indirectly threatened with weapons (except in an obviously comic manner).

In the first episode, a foam manikin is (symbolically) decapitated.

The two "unspeakable" Anglo-Saxon words are muted. However, language that was once considered unacceptable -- such as "ass" and "bitch" -- is allowed to pass.

None of these has been shown in the first four episodes.

Mike & friends test new weapons by smashing/banging/chopping/skewering objects.