This is the BEACH EPISODE arc! The class heads to the castle under the sea and hangs out with mermaids and sexy beachgoers partying before the royal wedding. They find a hologram pointing them toward an ancient castle filled with evil, and say hello to an unlikely new friend...

Featuring Roxxie Moth, Girlbot Div, Dahlia von Knight, Violet October, RickyxxxRails, and Jane Judge.

Start from the beginning with Monsters University episode 1 !