Jimmy Neutron

===Sex & Nudity===
Mild flirting and obvious romantic tension between young characters.
A few short and sweet kisses from time to time.
There is an episode about pants that have own minds, so the characters are in their underwear.
In N-Men episode there an upskirt
===Violence & Gore===
Relatively mild (but sometimes more intense) cartoon fantasy violence and mischief (i.e. hero vs. villain, etc), although you should note that there is rarely any deaths or serious injuries.
===Profanity===
None.
===Alcohol/Drugs/Smoking===
None.
===Frightening/Intense Scenes===
Frequent cartoonish action sequences are (for the most part) pretty mild, while others are a bit more intense and serious.