# 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 (adapted by Ernest Kinoy) | April 8, 1950 |
| 2 | "With Folded Hands" | Jack Williamson (adapted by John Dunkel) | April 15, 1950 |
| 3 | "Report on the Barnhouse Effect" | Kurt Vonnegut (adapted by Claris A. Ross) | April 22, 1950 |
| 4 | "No Contact" | George Lefferts (story by George Lefferts & Ernest Kinoy) | April 29, 1950 |
| 5 | "Knock" | Fredric Brown (adapted by Ernest Kinoy) | May 6, 1950 |
| 6 | "Almost Human" | Robert Bloch (adapted by George Lefferts) | May 13, 1950 |
| 7 | "The Lost Race" | Murray Leinster (adapted by Ernest Kinoy from the story "The Lost") | May 20, 1950 |
| 8 | "To the Future" | Ray Bradbury (adapted by Ernest Kinoy from the story "The Fox and the Forest") | May 27, 1950 |
| 9 | "The Embassy" | Donald A. Wollheim (adapted by George Lefferts) | June 3, 1950 |
| 10 | "The Green Hills of Earth" | Robert A. Heinlein (adapted by Ernest Kinoy) | June 10, 1950 |
| 11 | "There Will Come Soft Rains / Zero Hour" | Ray Bradbury (adapted by George Lefferts) | June 17, 1950 |
| 12 | "Destination Moon" | Robert A. Heinlein (adapted directly from the George Pal film) | June 24, 1950 |
| 13 | "A Logic Named Joe" | Murray Leinster (adapted by Claris A. Ross) | July 1, 1950 |
| 14 | "Mars Is Heaven!" | Ray Bradbury (adapted by Ernest Kinoy) | 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 (adapted by Ernest Kinoy) | July 28, 1950 |
| 18 | "Perigi's Wonderful Dolls" | George Lefferts | August 4, 1950 |
| 19 | "The Castaways" | Ernest Kinoy (story by Ernest Kinoy & George Lefferts) | August 11, 1950 |
| 20 | "The Martian Chronicles" | Ray Bradbury (adapted by Ernest Kinoy) | August 18, 1950 |
| 21 | "The Parade" | George Lefferts | August 25, 1950 |
| 22 | "The Roads Must Roll" | Robert A. Heinlein (adapted by Ernest Kinoy) | September 1, 1950 |
| 23 | "The Outer Limit" | Graham Doar (adapted by Ernest Kinoy) | September 8, 1950 |
| 24 | "Hello Tomorrow" | George Lefferts | September 15, 1950 |
| 25 | "Dr. Grimshaw's Sanitorium" | Fletcher Pratt (adapted by George Lefferts) | September 22, 1950 |
| 26 | "And the Moon be Still as Bright" | Ray Bradbury (adapted by Ernest Kinoy) | September 29, 1950 |
| 27 | "No Contact" | George Lefferts (story by George Lefferts & Ernest Kinoy; rebroadcast of April 29, 1950, program) | October 28, 1950 |
| 28 | "The Professor Was a Thief" | L. Ron Hubbard (adapted by George Lefferts) | November 5, 1950 |
| 29 | "Shanghaied" | Ernest Kinoy | November 12, 1950 |
| 30 | "Competition" | E. Mayne Hull (adapted by Ernest Kinoy) | November 19, 1950 |
| 31 | "Universe" | Robert A. Heinlein (adapted by George Lefferts) | November 26, 1950 |
| 32 | "The Green Hills of Earth" | Robert A. Heinlein (adapted by George Lefferts; rebroadcast of June 10, 1950, program) | December 24, 1950 |
| 33 | "Mars Is Heaven!" | Ray Bradbury (adapted by Ernest Kinoy; rebroadcast of July 7, 1950, program) | January 7, 1951 |
| 34 | "The Martian Death March" | Ernest Kinoy | January 14, 1951 |
| 35 | "The Last Objective" | Paul Carter (adapted by Ernest Kinoy) | June 3, 1951 |
| 36 | "Nightmare" | Stephen Vincent Benét (based on the poem "The Revolt of the Machines"; adapted by George Lefferts) | June 10, 1951 |
| 37 | "Pebble in the Sky" | Isaac Asimov (adapted by Ernest Kinoy) | June 17, 1951 |
| 38 | "Child's Play" | William Tenn (adapted by George Lefferts) | June 21, 1951 |
| 39 | "Time and Time Again" | H. Beam Piper (adapted by Ernest Kinoy) | July 12, 1951 |
| 40 | "Dwellers in Silence" | Ray Bradbury (adapted by George Lefferts) | July 19, 1951 |
| 41 | "Courtesy" | Clifford D. Simak (adapted by George Lefferts) | July 26, 1951 |
| 42 | "Universe" | Robert A. Heinlein (adapted by George Lefferts; rebroadcast of November 26, 1950, program) | August 2, 1951 |
| 43 | "The Veldt" | Ray Bradbury (adapted by Ernest Kinoy) | August 9, 1951 |
| 44 | "The Vital Factor" | Nelson Bond (adapted by Howard Rodman) | August 16, 1951 |
| 45 | "Untitled Story" | Frank M. Robinson (adapted by George Lefferts) | August 23, 1951 |
| 46 | "Marionettes, Inc." | Ray Bradbury (adapted by George Lefferts) | August 30, 1951 |
| 47 | "First Contact" | Murray Leinster (adapted by Howard Rodman) | September 8, 1951 |
| 48 | "Kaleidoscope" | Ray Bradbury (adapted by George Lefferts) | September 15, 1951 |
| 49 | "Requiem" | Robert A. Heinlein (adapted by Ernest Kinoy) | September 22, 1951 |
| 50 | "Nightfall" | Isaac Asimov (adapted by Ernest Kinoy) | September 29, 1951 |