Eighteen original shows starring Herbert Marshall as globetrotting secret agent Ken Thurston, who, along with his sidekick Pagan Zeldschmidt, solves mysteries for the U.S. government. Five Ounces of Treason 01-13-51 Japanese Underground 01-20-51 Spy on the Orient Express 01-27-51 Submarine Pirates 02-03-51 As Black as Diamonds 02-10-51 North of 38 02-17-51 Missing Microfilm in Iran 02-24-51 Dope Smuggling in Mexico 03-03-51 Free Newspaper Owner Killed in Vienna 06-22-51 Operation Zero 06-29-51 Arab Farm Loan 07-06-51 Indonesian Oil 07-13-51 The Big Lie 10-01-51 Missing Oil Field Plan 01-01-52 Formula "H" Microfilm 01-08-52 Radio Freedom 01-15-52 The Golden Camellia 01-22-52 G.I. Insurance Racket 01-29-52