Nickelodeon has featured a lot of over-the-top and even bizarre cartoons over the years, but Doug was quite the opposite.

From adorable Nicktoons like 'Rugrats' and 'Hey Arnold!' to live-action gems like 'All That' and 'Are You Afraid of the Dark?,' here are the 10 essential Nickelodeon shows of the '90s.

The '90s was a golden age for animation, and several characters, like Courage and Arnold, are still iconic.

Since everyone’s obsessed with the '90s these days, let’s revisit the 10 most essential ’90s shows on one of the quintessential ’90s networks: Nickelodeon. But there were live-action favorites, too — ...