A new trailer Percy Jackson: Sea of Monsters has been released.  The follow-up finds the titular Percy (Logan Lerman) and his friends venturing to a mythical land known as the Sea of Monsters to retrieve a golden fleece that is essential to the survival of his home.  Thor Freudenthal (Diary of a Wimpy Kid) takes over directing duties from Chris Columbus this time around, and this trailer actually looks pretty fun.  The creature designs are neat and the action sequences look to be visually exciting, and we also get an extended look at Nathan Fillion as Hermes.  Lerman really impressed with his performance in The Perks of Being a Wallflower, and he already looks more in command in Sea of Monsters than he did in the first film.

Hit the jump to watch the trailer.  The film also stars Alexandra Daddario, Brandon T. Jackson, Stanley Tucci, Douglas Smith, Leven Rambin, Missi Pyle, Yvette Nicole Brown, and Mary Birdsong.  Percy Jackson: Sea of Monsters opens in 3D on August 16th.

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Here's the synopsis for Percy Jackson: Sea of Monsters:

Based on the best-selling book, PERCY JACKSON: SEA OF MONSTERS continues the young demigod’s epic journey to fulfill his destiny. To save their world, Percy and his friends must find the fabled and magical Golden Fleece. Embarking on a treacherous odyssey into the uncharted waters of the Sea of Monsters (known to humans as the Bermuda Triangle), they battle terrifying creatures, an army of zombies, and the ultimate Evil.