Sometimes you just need to get away with your girls for a quick mermaid swim sesh.
Will and Bella try to write a song together...
The girls do some research on the impending comet...
It's graduation day for the girls, and when one door closes another opens...
Will and Bella share a romantic, underwater mermaid kiss.
Rikki confronts Zane about the stolen crystal.
Cleo is taking finals way too seriously.
The girls have a vision of deadly proportions.
Rikki and Zane try to settle their arguments.
Zane takes on Will for Rikki's affections.
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Nick stars share their favorite Halloween costumes!