By now, everyone knows Marnie Piper (Sara Paxton, Aquamarine) is a witch, so it comes as no surprise when she wins a full scholarship to prestigious Witch University in Halloweentown. Excited about learning alchemy and amulets, potions and portents, Marnie travels through the portal to become Witch U's most famous coed. But everything is not what it seems. There's a new school rule: No magic allowed! Marnie also learns about an ancient prophecy -- and it turns out she holds the key to revealing the ultimate secret. With the help of old friends Ethan (Lucas Grabeel, High School Musical and High School Musical 2) and Benny the Skeleton, and new friends Professor Periwinkle and Aneesa the Genie, will Marnie make the right choices in time for Halloweentown's 1,000 Year Anniversary Celebration. Discover all the magic, mystery and suspense packed into Return to Halloweentown!

Aquamarine (Sara Paxton) receives a call on her unusual phone.

Aquamarine (Sara Paxton) nearly gets caught with her tail out.

Aquamarine (Sara Paxton) tells Hailey (Emma Roberts) and Claire (Joanna 'JoJo' Levesque) the benefits of helping a mermaid.

Aquamarine (Sara Paxton) explains to Hailey (Emma Roberts) and Claire (Joanna 'JoJo' Levesque) that she must find love.