Back to school season is here again! 🎒 Clear those summer cobwebs out of your brain by brushing up on your back to school buzzwords as we zip through Nickelodeon's A to Z rundown of all the highs, lows, inside-outs, upside-downs, and in-betweens of starting up your fall semester. ✏️ Catch more SpongeBob SquarePants and more of your favorite shows on Nick! #BackToSchool #SpongeBob #HenryDanger #TheLoudHouse #TheThundermans #NRDD #GameShakers #IAmFrankie #JojoSiwa #RiseoftheTMNT #Nick #Nickelodeon Subscribe if you love Nickelodeon and want to see more: at.nick.com/Subscribe Nickelodeon is the number-one brand for kids with original cartoons, sitcoms, movies, award shows, products, and more! Here on our Nickelodeon YouTube channel you’ll find the shows and animated series you know and love like SpongeBob SquarePants, The Loud House, Teenage Mutant Ninja Turtles, Henry Danger, ALVINNN!!! and The Chipmunks, and more! You’ll also get exclusive access to our digital original serie...