American science teacher John Butler along with his wife Kim and their two children Katie and Greg, as well as their dog Digger, are on a rafting trip on the Amazon river. As they are going ... Read allAmerican science teacher John Butler along with his wife Kim and their two children Katie and Greg, as well as their dog Digger, are on a rafting trip on the Amazon river. As they are going down the river, their boat gets caught in a dangerous current and capsizes. They are pulle... Read allAmerican science teacher John Butler along with his wife Kim and their two children Katie and Greg, as well as their dog Digger, are on a rafting trip on the Amazon river. As they are going down the river, their boat gets caught in a dangerous current and capsizes. They are pulled into a whirlpool. When they surface they find themselves in a prehistoric valley where t... Read all