Jade Pettyjohn played Summer on School of Rock for 3 seasons! But did you know she first appeared on Henry Danger? Let's take a look at all of her appearances on Nickelodeon through the years! 2014-2018 #JadePettyjohn #ThenAndNow #Nickelodeon ►► Subscribe for More: at.nick.com/Subscribe ►► Watch More from Nick: at.nick.com/NewNickVideos ►► SpongeBob on YouTube: at.nick.com/SpongeBobOfficial ►► NickRewind on YouTube: at.nick.com/NickRewind ►► All That on YouTube: at.nick.com/AllThat ►► What’s On TV? : at.nick.com/TVSchedule Catch More on Nick! GET MORE NICKELODEON: Like Nick: at.nick.com/Facebook Follow Nick: at.nick.com/Twitter Nick Instagram: at.nick.com/NickIG Like SpongeBob: at.nick.com/SpongeBobFacebook Follow SpongeBob: at.nick.com/SpongeBobTwitter SpongeBob Instagram: at.nick.com/SpongeBobIG Like NickRewind: at.nick.com/NickRewindFacebook Follow NickRewind: https...