Watch It's a Big, Big World: The Big Big Sleep (2007) : Full Movie Online Free Combining puppetry, animatronics and computer-generated animation, this series brings to life the magical rain forest world of Snook the sloth and his fellow World Tree residents -- all of whom need to get some z's in the segments presented here. Together, Snook and pals learn why sleep is necessary and that being scared of the dark and afraid to say good-bye to the day are normal. Along the way, they discover the joy and magic of bedtime.