Air a' Chanàl/Scotland's Canals Main cast, played by Calum Macaulay Episode 1x01: Episode 1 (Jun 8, 2017) Episode 1x02: Episode 2 (Jun 15, 2017) Episode 1x03: Episode 3 (Jun 22, 2017) Episode 1x04: Episode 4 (Jun 29, 2017)