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Title
1
The Television Terror
2
The Radio-Active Man
3
Transparent Creature
4
Terror from Space
5
Man from Galaxy "X"
6
The Jelly Creature
7
The Unstoppable One
8
Jelly Man Attacks
9
Fangs of Death
10
Visit From the Future
11
?
12
Monster from Venus
13
Horror in the Woods
14
Hunting New Victims
15
The Brainless Glob
16
Man With Super Sight
17
Not of this World
18
Invasion of the Sea Beast
19
The Sea Beast Strikes
20
Fury of the Sea Beast
21
Prize Catch
22
The Captive Beast
23
Human Insects
24
"Invade Earth"
25
Thing from Mercury
26
The Death Ray
27
The Doom Machine
28
Twin Space Terrors
29
Night of Terror
30
The Invader
31
The Mind Stealer
32
"You are in my Power"
33
Incredible Ice Man
34
Frozen Terror
35
Plotting Destruction
36
Bring In the Earthmen
37
"You Can't Stop Me"
38
The Brain Destroyer
39
Martian Torture
40
The Touch of Death
41
Fearful Foe
42
?
43
Living Nightmare
44
The Subterraneans
45
The Clay Man
46
Clay Man's Revenge
47
The Clay Man's Next Victim
48
Uninvited Guest
49
The Escape
50
Destruction of the Clay Man