- HD 1080
- Runtime: 112m.
- Status: Released
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- Languages: en
- Country: United States of America, United Kingdom, Australia
- Director: Jay Russell
- Stars: Alex Etel, Emily Watson, Ben Chaplin, David Morrissey, Priyanka Xi
- keywords: scotland, world war ii, based on children's book, giant egg, loch ness monster, 1940s, lake monster
- Production_studio: Revolution Studios, Walden Media, Beacon Pictures, Ecosse Films
- Slogan: How Do You Keep A Secret This Big?
- providers: Amazon Prime Video, Amazon Prime Video with Ads
- The The Water Horse is featured in the top rankings of 2007
- #16 in Top Family Movies of 2007
- #17 in Top Adventure Movies of 2007
- #14 in Top Fantasy Movies of 2007
A lonely boy discovers a mysterious egg that hatches a sea creature of Scottish legend.
