Courage the Cowardly Dog (1999)

S3E2 Courage vs. Mecha-Courage

Eustace decides to swap out Courage for a more advanced robotic dog, believing it will be a better companion. As he revels in the new dog's high-tech features and abilities, Courage feels sidelined and neglected. While Eustace is initially thrilled with his decision, he soon discovers that the robotic dog lacks the heart and loyalty that Courage provided. Ultimately, Eustace learns that true companionship isn't about technology, leading him to reconsider his choice and appreciate Courage's unique qualities.