A hilarious story about feelings, friendships and farts! Cassie farts a lot, everywhere and all the time! She can't stop. At school they call her Gassy Cassie, but one day her noisy bottom saves the class from a ferocious bear. From being laughed at, Cassie suddenly finds herself the school heroine! Along with all the flatulence and fun, comes a gentle reminder about the importance of acceptance.

Ollie is back with more adventures using his superpowers, and a chance to earn his second Captain's stripe! With the help of his superpowers, Ollie is gaining the confidence to stand up to bullies and be himself. When some mean kids start to get him down, Ollie draws upon the superpower of emotional resilience, which serves as a suit of shiny armour against hurtful words. With this superpower, Ollie tries to help his new friend Mollie who lives in foster care learn to love and take care of herself. Can Ollie help Mollie to build her own emotional superpowers? And will he earn his second Captain's stripe in the process?