[last lines of Episode 1.21
Attention all Secret Squadron members! The Arctic Circle is the object of our next mission. There in the frozen North we'll meet the deadly challenge of enemy agents who are trying to sabotage our radar defenses - fight our way across the frozen tundra - face snowblindness and death as tons of snow and ice come crashing down on us in a thundering avalanche. We'll rendezvous here at headquarters as usual. This is Captain Midnight signing off with the code of the ...