15 episode serial where Jack Armstrong, the All-American Boy, battles the evil Dr. Grood, who has placed a death ray aboard his spaceship orbiting Earth.
2/6/1947
8/7/1916
3/1/1931
1/1/1928
10/17/1942
12/13/1940
12/20/1925
7/16/1921
12/3/1938
9/17/1953
4/25/1944
5/1/1925
1/26/1945
4/6/1936
10/23/1946
12/24/1943
6/7/1920
11/21/1920
6/27/1955
6/30/1942
1/13/1936