A terrible storm sends terrifying sharks across Los Angeles. The made-for-TV sci-fi disaster movie is the first in the series and is directed by Anthony C. Ferrante.
The film was shot in eighteen days. 'Dark Skies' was the original title of the film. It was followed by Sharknado 2: The Second One, Sharknado 3: Oh Hell No!, Sharknado: The 4th Awakens, Sharknado 5: Global Swarming and The Last Sharknado: It's About Time.