Throughout the 90s, Nickelodeon and Fox Kids' spooktacular hit shows Are You Afraid of the Dark? and Goosebumps, respectively, ruled airwaves—and we loved every second (even though we were hiding under our covers most of the time)!
But we bet even the biggest fans of these classic shows forget just how many celebs appeared on them throughout the years! Did you know Ryan Gosling starred on both?! And "The Girl Next Door" star Elisha Cuthbert was once on seven episodes of "AYAOTD?"
Click through the gallery below to see 11 celebs who starred on these beyond amazing horror fantasy shows before they made names for themselves in Hollywood!