The Duplicates

1. Verdict from Space1951-08-03 2. Blunder1951-08-10 3. A Child is Crying1951-08-17 4. The Woman at Land's End1951-08-24 5. The Last Man on Earth1951-08-31 6. Errand Boy1951-09-07 7. The Monsters1951-09-14 8. The Dark Angel1951-09-28 9. The Crystal Egg1951-10-12 10. Test Flight1951-10-26 11. The Search for the Flying Saucer1951-11-09 12. Enemy Unknown1951-11-23 13. Sneak Attack1951-12-07 14. The Invader1951-12-21 15. The Dune Roller1952-01-04 16. Frankenstein1952-01-18 17. 20,000 Leagues Under the Sea: The Chase (1)1952-01-25 18. 20,000 Leagues Under the Sea: The Escape (2)1952-02-01 19. What You Need1952-02-08 20. Age of Peril1952-02-15 21. Memento1952-02-22 22. The Children's Room1952-02-29 23. Bound Together1952-03-07 24. The Diamond Lens1952-03-14 25. The Fisherman's Wife (aka: Fountain of Youth)1952-03-21 26. Flight Overdue1952-03-28 27. And a Little Child1952-04-04 28. Sleep No More1952-04-11 29. Time to Go1952-04-18 30. Plague from Space1952-04-25 31. Red Dust1952-05-02 32. The Golden Ingot1952-05-09 33. Black Planet1952-05-16 34. World of Water1952-05-23 35. Little Black Bag1952-05-30 36. The Exile1952-06-06 37. All the Time in the World1952-06-13 38. The Miraculous Serum1952-06-20 39. Appointment on Mars1952-06-27 40. The Duplicates1952-07-04 41. Ahead of His Time1952-07-18 42. Sudden Darkness1952-08-01 43. Ice from Space1952-08-08