List of Dimension X episodes
Dimension X was an NBC radio program broadcast on an unsponsored, sustaining basis from April 8, 1950, to September 29, 1951. The first 13 episodes were broadcast live, and the remainder were pre-recorded. Fred Wiehe and Edward King were the directors. Norman Rose was heard as both announcer and narrator.
| Episode No | Title | Author | Release Date |
| 1 | "The Outer Limit" | Graham Doar | April 8, 1950 |
| 2 | "With Folded Hands" | Jack Williamson | April 15, 1950 |
| 3 | "Report on the Barnhouse Effect" | Kurt Vonnegut | April 22, 1950 |
| 4 | "No Contact" | George Lefferts | April 29, 1950 |
| 5 | "Knock" | Fredric Brown | May 6, 1950 |
| 6 | "Almost Human" | Robert Bloch | May 13, 1950 |
| 7 | "The Lost Race" | Murray Leinster | May 20, 1950 |
| 8 | "To the Future" | Adapted by Ernest Kinoy from Ray Bradbury's "The Fox and the Forest" | May 27, 1950 |
| 9 | "The Embassy" | Donald A. Wollheim | June 3, 1950 |
| 10 | "The Green Hills of Earth" | Robert A. Heinlein | June 10, 1950 |
| 11 | "There Will Come Soft Rains / Zero Hour" | Ray Bradbury | June 17, 1950 |
| 12 | "Destination Moon" | Robert A. Heinlein | June 24, 1950 |
| 13 | "A Logic Named Joe" | Murray Leinster | July 1, 1950 |
| 14 | "Mars Is Heaven!" | Ray Bradbury | July 7, 1950 |
| 15 | "The Man in the Moon" | George Lefferts | July 14, 1950 |
| 16 | "Beyond Infinity" | Villiers Gerson | July 21, 1950 |
| 17 | "The Potters of Firsk" | Jack Vance | July 28, 1950 |
| 18 | "Perigi's Wonderful Dolls" | George Lefferts | August 4, 1950 |
| 19 | "The Castaways" | Ernest Kinoy | August 11, 1950 |
| 20 | "The Martian Chronicles" | Ray Bradbury | August 18, 1950 |
| 21 | "The Parade" | George Lefferts | August 25, 1950 |
| 22 | "The Roads Must Roll" | Robert A. Heinlein | September 1, 1950 |
| 23 | "The Outer Limit" | Graham Doar | September 8, 1950 |
| 24 | "Hello Tomorrow" | George Lefferts | September 15, 1950 |
| 25 | "Dr. Grimshaw's Sanitorium" | Fletcher Pratt | September 22, 1950 |
| 26 | "And the Moon Be Still as Bright" | Ray Bradbury | September 29, 1950 |
| 27 | "No Contact" | George Lefferts | October 28, 1950 |
| 28 | "The Professor Was a Thief" | L. Ron Hubbard | November 5, 1950 |
| 29 | "Shanghaied" | Ernest Kinoy | November 12, 1950 |
| 30 | "Competition" | E. Mayne Hull | November 19, 1950 |
| 31 | "Universe" | Robert A. Heinlein | November 26, 1950 |
| 32 | "The Green Hills of Earth" | Robert A. Heinlein | December 24, 1950 |
| 33 | "Mars Is Heaven!" | Ray Bradbury | January 7, 1951 |
| 34 | "The Martian Death March" | Ernest Kinoy | January 14, 1951 |
| 35 | "The Last Objective" | Paul Carter | June 3, 1951 |
| 36 | "Nightmare" | Stephen Vincent Benet | June 10, 1951 |
| 37 | "Pebble in the Sky" | Isaac Asimov | June 17, 1951 |
| 38 | "Child's Play" | William Tenn | June 21, 1951 |
| 39 | "Time and Time Again" | H. Beam Piper | July 12, 1951 |
| 40 | "Dwellers in Silence" | Ray Bradbury | July 19, 1951 |
| 41 | "Courtesy" | Clifford D. Simak | July 26, 1951 |
| 42 | "Universe" | Robert A. Heinlein | August 2, 1951 |
| 43 | "The Veldt" | Ray Bradbury | August 9, 1951 |
| 44 | "The Vital Factor" | Nelson Bond | August 16, 1951 |
| 45 | "Untitled Story" | Frank M. Robinson | August 23, 1951 |
| 46 | "Marionettes, Inc." | Ray Bradbury | August 30, 1951 |
| 47 | "First Contact" | Murray Leinster | September 8, 1951 |
| 48 | "Kaleidoscope" | Ray Bradbury | September 15, 1951 |
| 49 | "Requiem" | Robert A. Heinlein | September 22, 1951 |
| 50 | "Nightfall" | Isaac Asimov | September 29, 1951 |