Credits: Director, Wallace Fox; screenplay, Arthur Hoerl, Lewis Clay, Royal Cole, Leslie Swabacker.
1. Mystery of the Cosmic Ray. © 6Feb47; LP854.
2. The Far World. © 13Feb47; LP861.
3. Island of Deception. © 20Feb47; LP875.
4. Into the Chasm. © 27Feb47; LP888.
5. The Space Ship. © 6Mar47; LP896.
6. Tunnels of Treachery. © 13Mar47; LP916.
7. Cavern of Chance. © 20Mar47; LP936.
8. The Secret Room. © 27Mar47; LP954.
9. Human Targets. © 3Apr47; LP957.