Which cartoon is still running?

Based on the provided information, several cartoons are still actively running.

Cartoons Currently Airing

The following animated series are indicated as still running, with their original start dates and ongoing status:

These shows continue to produce new episodes or new iterations, making them active series within the animated entertainment landscape. SpongeBob SquarePants and Family Guy have maintained continuous runs since their respective debuts in 1999, while Dora the Explorer has seen a revival or new series continuation as of 2024, extending its presence.