As the familiar Johnny Test style tune plays, the scene opens up to the iconic Test household. Nevertheless, something seems different this time around. Rather than the usual goofy experiments and experiences, your home is eerily peaceful. Suddenly, a loud moan breaks the silence as the camera pans to the backyard. There, we see Mary and Susan, the twin siblings who are usually understood for their intelligence and innocence, being ravaged by a giant robot with tentacles.