Let's celebrate grandparents! Meet the older generations of some favorite PBS KIDS families through fun, grandparent-focused stories. Arthur gets knitting lessons from Grandma Thora; Rosie celebrates her Abuela's birthday from far away; Daniel is excited to spend the whole day with Grandpere; Donkey Hodie and Grampy enjoy some homemade chili together; and much, much more!

Zhi, a rookie race car driver, gets the opportunity to compete against the reigning champion of the rally car circuit. With help from a former driver-turned-mechanic, Zhi must overcome treacherous terrain, rival racers, and unexpected obstacles to prove he has what it takes to be the next great racer.