Don Winslow of the Coast Guard

Directed by Lewis D. Collins, Ray Taylor

Written by Paul Huston (screenplay), George H. Plympton (screenplay), Griffin Jay (screenplay)

Cast: Don Terry as Don Winslow, Walter Sande as Red Pennington, Philip Ahn as Hirota, Henry Victor as Heilrich

Released 1943

13-part 15-minute serial. Don Winslow is attached to the Coast Guard to provide protection from enemy agents and saboteurs led by the Scorpion now working for the Japanese.
The names of each of the 'episodes' are:
1. Trapped in the Blazing Sea
2. Battling a U-Boat
3. The Crash in the Clouds
4. The Scorpion Strikes
5. A Flaming Target
6. Ramming the Submarine
7. Bombed in the Ocean Depths
8. Blackout Treachery
9. The Torpedo Strikes
10. Blasted from the Skies
11. A Fight to the Death
12. The Death Trap
13. Capturing the Scorpion