The Powerpuff Girls Season 6 Episode 4

One day during a picnic Bubbles get stung in her mouth by a bee. After a visit by the doctor she is forbidden to speak for a week. Suddenly when all the squirrels in Townsville get mad, Blossom and Buttercup are unable to do anything without Bubbles special ability. Now it’s up to Bubbles and Bullet to stop this crime.