CBBC. 8/8. Ultimate Playground: Dick and Dom sample all the fun of the fair in this thrill ride through the engineering genius of rollercoasters and water slides. Also in HD. [S]
CBBC. 7/8. Epic Bridges: Dick and Dom look at the world of monster bridges, from ancient Roman arches to a future where we may see bridges 3D-printed by robots. Also in HD. [S]
CBBC. 3/8. Battling Nature: Dick and Dom go head to head with the fiercest forces in nature as they enter the genius world of engineering against floods, wind and earthquakes. Also in HD. [S]
CBBC. 2/8. Mile High City: Dick and Dom head to New York to piece together the genius ideas that have seen buildings soar to incredible heights. Also in HD. [S]
CBBC. 1/8. Deep Underground: Dick and Dom don their hard hats and head underground to reveal the three tunnelling geniuses who revolutionised the way we dig deep below the earth. Also in HD. [S]