From the 30 second promo I've seen on TV, I really don't want to see this. I may be mistaken but it looks as though these cavemen not only keep herds of mammoth but make war with them and also have tame sabretooth cats.

Hey, I just realised, that would make it The Flinstones

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This is not an idea to be tossed aside lightly - it should be thrown with great force