1. Staffel (1963)
101 The Galaxy Being
102 The Hundred Days of the Dragon
103 The Architects of Fear
104 The Man With the Power
105 The Sixth Finger
106 The Man Who Was Never Born
107 O.B.I.T.
108 The Human Factor
109 Corpus Earthling
110 Nightmare
111 It Crawled Out of the Woodwork
112 The Borderland
113 Tourist Attraction
114 The Zanti Misfits
115 The Mice
116 Controlled Experiment
117 Don't Open Till Doomsday
118 ZZZZZ
119 The Invisibles
120 The Bellero Shield
121 The Children of Spider County
122 Specimen Unknown
123 Second Chance
124 Moonstone
125 The Mutant
126 The Guests
127 Fun and Games
128 The Special One
129 A Feasibility Study
130 The Production and Decay of Strange Particles
131 The Chameleon
132 The Forms of Things Unknown
2. Staffel (1964)
201 Soldier
202 Cold Hands, Warm Heart
203 Behold, Eck!
204 Expanding Human
205 Demon With A Glass Hand
206 Cry of Silence
207 The Invisible Enemy
208 Wolf 359
209 I, Robot
210 The Inheritors (1)
211 The Inheritors (2)
212 Keeper of the Purple Twilight
213 The Duplicate Man
214 Counterweight
215 The Brain of Colonel Barham
216 The Premonition
217 The Probe
Outer Limits - die Serie von 1997