CGI animated adventures of the popular builder and his friends, reconstructed for the 21st century. A slip-up from Roley leaves the band's instruments out of action, leaving Bob to conjure up alternatives from whatever he can find in the yard.

CGI animated adventures of the popular builder and his friends, reconstructed for the 21st century. Working on an equestrian cross country course gives Muck a horsey idea - but can a dump truck really become a jump truck?