The Ranger Kids are given a chance to forget their troubles for a day, by hanging out at the Splash City Water Park. But their fun is soon spoiled by Young Bulk and Skull's mischievous pranks. Inspired by these antics, Zedd & Rita transform Bulk into the Brat Boy monster! Can the Aquitians return from their planet in time to save the city, and save Bulk from himself? Meanwhile, Rito & Goldar are sent into the tunnels underneath the Command Center on a mission to blow up the building from below... but they quickly lose the map! And above, Zordon & Alpha 5 finally come up with a plan to restore the Earth to its proper physical age.