Baby Shark and William meet the fin-credible rap icon, and creator of "The Seaweed Sway" dance craze, Sharki B! Next, Baby Shark bites off more than he can chew before his big dance party with Grandma Shark! Then, Baby Shark, William, and Vola's band, The Tentacools, get carried away with being rock starfishes and forget that they formed the band to have fun! It's a dancing and singing extravaganza!