Only several instances of kissing, most of them Jabberjaw kissing Shelly much to her dislike.

Slapstick Scooby Doo-esque violence, as typical for anything from Hanna-Barbera of the 70s.

Shelly tends to call Jabberjaw and Clamface (and occationally Bubbles) by names like "Dumb Dumb" and "Bubblehead".

Occationally, a villain can be heard calling other characters "fools".

None.

This is basically a comical cartoon series with some mildly scary villains, similar to "Scooby-Doo" and other Hanna-Barbera cartoons of the period.