1 - Trapped in the Sky.

2 - Pit of Peril.

3 - City of Fire.

4 - Sun Probe.

5 - The Uninvited.

6 - The Mighty Atom.

7 - Vault of Death.

8 - Operation Crash Dive.

9 - Move - and You're Dead.

10 - Martian Invasion.

11 - Attack of the Alligators!

12 - Path of Destruction.

13 - Terror in New York City.

14 - End of the Road.

15 - Day of Disaster.

16 - Edge of Impact.

17 - Give or Take a Million.

18 - Desperate Intruder.

19 - 30 Minutes After Noon.

20 - The Impostors.

21 - The Man from M.I.5.

22 - Cry Wolf.

23 - Danger at Ocean Deep.

24 - The Duchess Assignment.

25 - The Cham-Cham.