During "Da Flippity Flop", Klaus discovered their outdated body was basically discovered but Stan would not help him recover it. After Stan is required by his families to capture Klaus, they find that Klaus' person is gradually rotting. An enraged Klaus knocks Stan down and requires his body, Klaus exposed Stan's human body to extreme abuse and wallowed inside latter's distress when the parents permit they since Stan got they coming. But once they discover Klaus don't go back you they you will need to prevent him but Klaus escapes and would go to play a dangerous ski action. Towards the end, the guy fails and his awesome outdated person is ruined. Klaus are returned to the fish looks, though a now sympathetic Stan vowed to ensure Klaus turns out to be man once again but doubts he'd follow through.