CTV Nature HD With fewer than four days left in the season, the fleet races to claim the title of top-earning boat; two captains are sidelined, and it is anyone's game. 2026-10-20 An exclusive look at the ground-breaking ways American scientists and engineers are leading the way in aviation, ship building and civil engineering. 2026-10-20 A bomb explodes on Air India Flight 182 en route from Canada to India causing it to disintegrate over the coast of Ireland. 2026-10-20 We discover how everyday things like pipe cleaners, Blue Stilton cheese, smart electric meters and telescopes are manufactured. 2026-10-20 The host explores and explains how fish replicas, siren systems and prepackaged sandwiches are made for public consumption. 2026-10-20 Learning how tapioca pudding, snow plows, paddle boats and fiber cement siding are manufactured. 2026-10-20 Rally cars; pork pies; floating fountains; artificial stone ornaments. 2026-10-20 Cufflinks; blueberry turnovers; dashboards; pottery. 2026-10-21