Mild flirting and romantic interactions between Cree & Hoggie (in a teenage body), and Nigel & Lizzie.
Mild, mostly just show children's buttocks in some episodes, but nothing else.
Violence & Gore
Mild
Shootouts with invention weapons.
Mild cartoon violence.
Fighting with gadgets, laser guns, and hand to hand combat.
Profanity
None
Mostly insults like ''stupid, butt-face, jerk-wad, idiot, moron''
Kiddie swearing: stupid, shut up, idiot
Usually just silly insults.
Alcohol, Drugs & Smoking
Mild
One villain has a cigar in his mouth.
The character of Mr Boss has a cigar in his mouth on some occasions. one episode has the kids drink root beer, but the villain says that they are drinking underage.
Frightening & Intense Scenes
Mild
None/Moderate in a lot of episodes.
Mild/Moderate for neurodivergent viewers.
In one episode, Number one is in an alternate/opposite universe where kids are treated like adults badly and adults are like kids.