Seven adventures from the children's animated series following builder Bob (voice of Lee Ingleby) and his gang of talking vehicles. In this instalment, the friends build a bear enclosure at the zoo and later encounter Roman ruins whilst digging the foundations for a new skyscraper in Spring City. The episodes are: 'Dig This', 'Saffi's Treehouse', 'Out of the Woods', 'Stormy Weather', 'Bear Mountain', 'Bentley's Bones' and 'Home On the Range'.