High Quality Content by WIKIPEDIA articles! Mega Shark Versus Giant Octopus is a monster/disaster film by The Asylum, released on May 19, 2009, in the United States and on August 7, 2009, in the United Kingdom. It was directed by Ace Hannah and stars singer Debbie Gibson and actor Lorenzo Lamas. Though it was met with a negative reaction from critics for its outlandish plot, it is arguably the most popular film by The Asylum to date. The film is about the hunt for two prehistoric sea monsters causing mayhem and carnage at sea.