Four further episodes chronicling Captain Scarlet's battle with the dreaded Mysterons. 'Inferno' has Captains Scarlet and Blue stationed in an Aztec temple, keeping watch on an endangered water plant. 'Flight to Atlantica' sees Captains Ochre and Blue go barmy after drinking some dodgy bubbly. 'Attack on Cloudbase' finds Symphony Angel in real trouble when she has to eject from her exploding aircraft. And in 'The Inquisition' Captain Blue is interrogated after disappearing for three months.