TopFilmTip brings you the best films on TV for Saturday, 29 August.Some films may require a Sky subscription.Genius dog and adopted son take time tripping adventure through history in pun-slinging family fun BBC TwoSkeptical girl discovers miniature forest civilisation facing putrid apocalypse in exhilarating hummingbird riding fantasy Film 4Fairground fraud flees to colourful realm and cons entire nation in Sam Raimi's airborne ape-evading adventure BBC Two Three musketeers plot vengeance