Tập 54: Ash và Pikachu tập luyện cùng Growlithe trong khi Team Rocket lợi dụng giọng nói thay đổi của Officer Jenny để đánh cắp chúng.

54

When Ash and his friends see a group of Growlithe training against a policeman posing as a robber, Ash decides for him and Pikachu to do the same training to become the best they can be. However, when Team Rocket comes to steal the Growlithe, Officer Jenny's voice gets changed, causing the Growlithe to think that Team Rocket are the Officers as they use their ears to follow command. (Source: Wikipedia)