Season 1

1. The Sunken Treasure

1949-09-01

2. The Secret Cave

1949-09-08

3. The Eagle's Nest

1949-09-15

4. The Chase Across the Desert

1949-09-22

5. The Tiger Hunt

1949-09-29

6. The Crocodile Pool

1949-10-06

7. The Magic Flute

1949-10-13

8. The Kangaroo Boxing Match

1949-10-20

9. The North Pole Frolics

1949-10-27

10. The Circus Comes to Town

1949-11-03

11. The Great Circus Robbery

1949-11-10

12. The Show Goes On

1949-11-17

13. The Big Blow Up

1949-11-24

14. The Sealed Envelope

1949-12-01

15. The House of Mystery

1949-12-08

16. The Lost Trail

1949-12-15

17. The Baby Carriage Mystery

1949-12-22

18. The Forged Letter

1949-12-29

19. The Hidden Microphone

1950-01-05

20. The Rajah's Boy

1950-01-12

21. The Stowaway

1950-01-19

22. The Strange Pit

1950-01-26

23. The Secret Submarine Base

1950-02-02

24. The Big Fight

1950-02-09

25. The Submarine Captain

1950-02-16

26. Hero's Reward

1950-02-23

27. The Great Prison Break

1950-03-02

28. The Junior F.B.I.

1950-03-09

29. The Mechanical Monster

1950-03-16

30. The Kidnapped Professor

1950-03-23

31. The Bubble Gum Mystery

1950-03-30

32. The Sky Pirates

1950-04-06

33. The Magic Paint

1950-04-13

34. The Strange Message

1950-04-20

35. The Menace from Mars

1950-04-27

36. The Atom Bomb

1950-05-04

37. The Wonders of Mars

1950-05-11

38. Captured

1950-05-18

39. The Great Air Battle

1950-05-25

40. The Mysterious Treasure

1950-06-01

41. The Crazy Scientist

1950-06-08

42. The Terror of the Cave

1950-06-15

43. The Thing?

1950-06-22

44. The Midnight Alarm

1950-06-29

45. The Cannibal Island

1950-07-06

46. Double Crossed

1950-07-13

47. Buried Treasure

1950-07-20

48. A Friend Is Lost

1950-07-27

49. Kidnapped

1950-08-03

50. The Space Ship

1950-08-10

51. The Frustrated Robbery

1950-08-17

52. A Magnificent Present

1950-08-24