T

he next new moon is at exam time. Rikki doesn't concentrate on study, wondering only about the cave and crystals, unlike Cleo, whose concentration breaks down however when she realizes the moon phase requires the mermaids to hand in their papers five minutes early. The tentacle makes it way to the mermaids earlier then expected, unstoppably, causing weird phenomena. Will has to overthrow the water-cooler, so the physics exam is canceled and rescheduled next day. Meanwhile in the cave, the tentacle reacts to the crystals by showing a comet's impact, perhaps its own arrival on earth. Unable to stop Zane from intruding Mako, Will had to follow him; their arrival seems to end the cave show.

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