...half-hours. And to encourage parents to watch along with their children, the cartoons have what programmers call a "Mommy Bar" on the screen with parenting tips and G-rated jokes. Toons on the Tube Some of the shows on Cartoon Network's new...

...block for preschool children, begins Monday with a lineup of original animated series, computer-image hosts and the "Mommy Bar," a graphic feature that gives parents and caregivers information on this programming. Tickle U promises programs...