Marco wants to show Star the geyser ″Old Youthful″ during a Diaz camping trip. King Butterfly joins them on the trip to learn what Earth camping is like. But, King Butterfly's antics get him in trouble several times with the park ranger. When Marco r... (more)eveals he wanted to show Star the geyser, and the ranger says it's likely the last time it will ever erupt, the three try to rush there to see it.