That's right. A kid's show. Not yet finished.
Pilot - TV-Y7-FV
The Nightmare Begins - TV-Y7
Bestest Friend - TV-Y7-FV - I gave it a FV subrating for there being a silhouette of Keef's eyes getting ripped out and replaced with robot eyes.
Nanozim - TV-Y7
Parent Teacher Night - TV-Y7
Walk of Doom - TV-Y7
Germs - TV-Y7-FV - A FV for the movie Zim and Gir watch in the beginning of the episode.
Dark Harvest - TV-PG - Zim stealing organs from kids is a bit too much for a TV-Y7.
Attack of the Saucer Morons - TV-Y7
The Wettening - TV-Y7
Career Day - TV-Y7
Battle-Dib - TV-Y7-FV
Planet Jackers - TV-Y7-FV - A FV for Zim's eye popping out of its socket.
Rise of the Zitboy - TV-Y7
Invasion of the Idiot Dog Brain - TV-Y7
Bad, Bad, Rubber Piggy - TV-PG - Zim tormenting Dib in the past using rubber pigs is pretty dark.
A Room with a Moose - TV-Y7
Hamstergeddon - TV-Y7