Episode titles:
1. Chained to the Anchor
2. The Falling Wall
3. The Runaway Car
4. The Crushing Menace
5. Shot Into Space
6. Under the Avalanche
7. On Danger's Highway
8. The Broken Life Line
9. Under the Cauldron
10. The Edge of the Roof
11. The Air-Line Route
12. Between the Rails
13. Under the Ice
14. In The Doorway of Death
15. Ten Minutes to Live