, ▁a ▁British ▁Super mar ion ation ▁television ▁series ▁created ▁by ▁Ger ry ▁and ▁Syl via ▁Anderson ▁and ▁produced ▁by ▁their ▁company ▁Century ▁ 2 1 ▁Produ ctions . ▁Writ ten ▁by ▁Peter ▁Cur ran ▁and ▁David ▁Williams ▁and ▁directed ▁by ▁Robert ▁Lyn n , ▁it ▁was ▁first ▁broadcast ▁on ▁ 3 ▁November ▁ 1 9 6 7 ▁on ▁A TV ▁Mid lands . ▁ ▁In ▁this ▁episode , ▁the ▁Myst er ons , ▁announ cing ▁that ▁they ▁intend ▁to ▁assass inate ▁Colonel ▁White , ▁almost ▁succeed ▁in ▁crash ing ▁a ▁re construct ed ▁space ▁satellite ▁into ▁Cl ou db ase . ▁They ▁make ▁another ▁attempt ▁on ▁White ' s ▁life ▁when ▁the ▁colon el ▁goes ▁into ▁hiding ▁on ▁board ▁a ▁n avy ▁sub marine . ▁ ▁Plot ▁Mann ed ▁communic ations ▁satellite ▁TV R - 1 7 ▁is ▁destroyed ▁when ▁Captain ▁Black ▁in fil tr ates ▁mission ▁control ▁and ▁changes ▁the ▁space craft ' s ▁flight ▁path , ▁causing ▁it ▁to ▁prem ature ly ▁re - enter ▁the ▁atmosphere ▁and ▁blow ▁up . ▁Re construct ing ▁TV R - 1 7 ▁and ▁its ▁crew , ▁the ▁Myst er ons ▁( vo iced ▁by ▁Donald ▁Gray ) ▁lock ▁the ▁satellite ▁on ▁a ▁collision ▁course ▁with ▁Cl ou db ase . ▁The ▁reconst ruction ▁is ▁shot ▁down ▁by ▁Sym phony ▁Angel ▁( vo iced ▁by ▁J anna ▁Hill ) ▁despite ▁the ▁protest s ▁of ▁Captain ▁Sc ar let ▁( vo iced ▁by ▁Francis ▁Matt he ws ), ▁who ▁questions ▁whether ▁TV R - 1