YouTube Nyan Cat - Meow Meow! Meow Meow Meow Meow Meow Meow! Animated Nyan Cat progress bar theme for YouTube! It's time for Pop-Tart cat and rainbows! This cute Nyan Cat progress bar will work for all videos on YouTube. ** Thursday, 9 December 2021: Updated for YouTube's new HTML5 player. Meow Meow Meow Meow Meow Meow Meow Meow Meow Meow Meow Meow!