All 65 episodes were written by Ray Bradbury, based on short stories or novels he wrote, including "A Sound of Thunder", "Marionettes, Inc.", "Banshee", "The Playground", "Mars is Heaven", "Usher II", "The Jar", "The Long Rain", "The Veldt", "The Small Assassin", "The Pedestrian", "The Fruit at the Bottom of the Bowl", "Here There Be Tygers", "The Toynbee Convector", and "Sun and Shadow".
Characters were renamed, and elements added to the original works to expand the story to 23–28 minutes or to better suit the television medium.
Each episode would begin with a shot of Bradbury in his office,[3] gazing over mementos of his life, which he states (in narrative) are used to spark ideas for stories.
During the third season, a foreshortened version of the narration was used and Bradbury would add specific comments relevant to the episode presented.
Famous actors appearing in the series included Richard Kiley, Shelley Duvall, Paul Le Mat, Eileen Brennan, Donald Pleasence, Denholm Elliott, Alan Bates, James Coco, William Shatner, Peter O'Toole, Patrick Macnee, Susannah York, Jeff Goldblum,[4] Drew Barrymore, Hal Linden, Michael Ironside, Robert Vaughn, Eugene Levy, Saul Rubinek, Louise Fletcher, Paul Gross, David Ogden Stiers, John Saxon, Timothy Bottoms, Harold Gould, Sally Kirkland, Kiel Martin, Bruce Weitz, Barry Morse, Eddie Albert, David Carradine, Sally Kellerman, Vincent Gardenia, Robert Culp, Shawn Ashmore, Richard Benjamin, John Vernon, Elliott Gould, Tyne Daly, Lucy Lawless, Jean Stapleton, Charles Martin Smith, Marc Singer, Michael Hurst, Magali Noël, Joanna Cassidy, John Glover, Dan O'Herlihy, Howard Hesseman, Leslie Nielsen, Helen Shaver, Ian Bannen, Megan Follows, Michael Sarrazin, Roy Kinnear, John Vernon, Kenneth Welsh, Michael J. Pollard, Pat Harrington, Jr., Carol Kane, Gordon Pinsent, Clive Swift, Len Cariou, Gregory Sierra, Nick Mancuso, Ben Cross, Janice Rule, Robert Joy, Ray Sharkey, Cyril Cusack, Stuart Margolin, Ronald Lacey, Jayne Eastwood, Wayne Robson, Grant Tilly and James Whitmore.