Game Over (S03E06)

As rain pours outside, the Tennysons find themselves stuck indoors. Ben passes the time by diving into a video game, but when Gwen joins him, he feels envious of her superior skills. Frustrated, Ben transforms into Upgrade and links himself with the game console. Gwen tries to dislodge him, but a sudden lightning strike transports them into the video game world. To escape, Ben must collect coins featuring various aliens, with the key to their exit being the Upgrade coin. They must beat an evil entity to it before it can break free into reality.