This documentary is to walking with dinosaurs what Episode I is to Star Wars.
You do get to see a timeline of animals evolving up to the dinosaurs, but all the animals behave in such cartoonish ways it's hard to take anything seriously.
It's hard to claim, considering all the millions of years of life on earth, that something never occurred even once, but this film manages to depict events so unlikely that it's very tempting to do so.
Watching this made me feel kind of like I felt after I left the cinema mid nineties having seen the digitally "enhanced" original Star Wars. Though this isn't the complete rape that happened to Star Wars the low quality is degrading to a series that in the past has achieved true greatness.