Time travel sci-fi with bloodless violence, tough heroine.
Teenage Ben's comical adventures are fun but violent.
Smart fantasy series mixes strong messages with violence.
Powerful anime explores mature themes with some gore.
Girl-centered sci-fi series is like a tween-sized Lost.
Sexual violence and fantasy are central to dark sci-fi.
Anime-style adaptation with strong hero, military setting.
Some violence plus positive messages in sci-fi crime drama.
Darker and still violent, this Ben 10 not for the sensitive.
Monsters vs. teens fantasy is worry-free fun for tweens.
New take on familiar kids' show has lots of noise, action.
Boy hero grows up, but still fighting aliens.
No surprises in 16th battle-heavy installment.
Violence remains, but this one has substance, too.
Hero-driven drama is "super" for teens and up.
"Magic beyond belief"? More like unbelievably bad.
Alien-morphing and action -- every boy's dream.
A cultural icon that's lived long and prospered.
Cult vampire series has witty bite and strong role model.
Heroes battle bad guys in campy sci-fi series.
Power Rangers post-Morphin.
Cheesy fantasy violence lacks real consequences.