SPY×FAMILY: Season 1, Episode 10

1 - 10: The Great Dodgeball Plan

A rumor spreads amongst the first graders at Eden College saying that if they do well in their next PE class, they will get rewarded with Stella Stars. Anya is determined to get a Stella Star, so she trains with Yor. Thus begins the dodgeball match between Cecile Hall and Wald Hall! Anya and her classmates are determined to win, but they are faced with the giant, Bill Watkins.

Source: crunchyroll