Check out Nickelodeon’s fresh-picked tips for the best week ever, with Kira Kosarin and JoJo Siwa showing you how to win National Selfie Day! Celebrate World Oceans Month with mesmerizing mermaid slime and the weirdest SpongeBob sea life quiz ever! Plus, Kira Kosarin and Jack Griffo share how they celebrate their dads for Father’s Day! Featuring slimes from YouTubers @Melissa Russo and @Mellissa Swigart! Catch SpongeBob SquarePants and more of your favorite shows on Nick! #WinYourWeek #KiraKosarin #JoJoSiwa #VidCon #FathersDay #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 al...