| Season 1 | Episode 1 | Message from Beyond | 1967-09-14 | 60 min |
| Season 1 | Episode 2 | The Leaf in the Forest | 1967-09-21 | 60 min |
| Season 1 | Episode 3 | Dead Man's Tale | 1967-09-28 | 60 min |
| Season 1 | Episode 4 | Eat, Drink and Be Buried | 1967-10-05 | 60 min |
| Season 1 | Episode 5 | The Taker | 1967-10-12 | 60 min |
| Season 1 | Episode 6 | An Inside Job | 1967-10-19 | 60 min |
| Season 1 | Episode 7 | Tagged for Murder | 1967-10-26 | 60 min |
| Season 1 | Episode 8 | Let My Brother Go | 1967-11-02 | 60 min |
| Season 1 | Episode 9 | Light at the End of the Journey | 1967-11-09 | 60 min |
| Season 1 | Episode 10 | The Monster of Comus Towers | 1967-11-16 | 60 min |
| Season 1 | Episode 11 | The Man Who Believed | 1967-11-23 | 60 min |
| Season 1 | Episode 12 | A Very Cool Hot Car | 1967-11-30 | 60 min |
| Season 1 | Episode 13 | The Past is Prologue | 1967-12-07 | 60 min |
| Season 1 | Episode 14 | Girl in the Night | 1967-12-21 | 60 min |
| Season 1 | Episode 15 | The Fourteenth Runner | 1967-12-28 | 60 min |
| Season 1 | Episode 16 | Force of Arms | 1968-01-04 | 60 min |
| Season 1 | Episode 17 | Memory of an Ice Cream Stick | 1968-01-11 | 60 min |
| Season 1 | Episode 18 | To Kill a Cop | 1968-01-25 | 60 min |
| Season 1 | Episode 19 | The Lonely Hostage | 1968-02-01 | 60 min |
| Season 1 | Episode 20 | The Challenge | 1968-02-08 | 60 min |
| Season 1 | Episode 21 | All in a Day's Work | 1968-02-15 | 60 min |
| Season 1 | Episode 22 | Something for Nothing | 1968-02-22 | 60 min |
| Season 1 | Episode 23 | Barbara Who | 1968-02-29 | 60 min |
| Season 1 | Episode 24 | Perfect Crime | 1968-03-07 | 60 min |
| Season 1 | Episode 25 | Officer Bobby | 1968-03-14 | 60 min |
| Season 1 | Episode 26 | Trip to Hashbury | 1968-03-21 | 60 min |
| Season 1 | Episode 27 | Due Process of Law | 1968-03-28 | 60 min |
| Season 1 | Episode 28 | Return of the Hero | 1968-04-04 | 60 min |
| Season 2 | Episode 1 | Shell Game | 1968-09-19 | 60 min |
| Season 2 | Episode 2 | Split Second to an Epitaph | 1968-09-26 | 60 min |
| Season 2 | Episode 3 | The Sacrifice | 1968-10-03 | 60 min |
| Season 2 | Episode 4 | Robert Phillips vs. the Man | 1968-10-10 | 60 min |
| Season 2 | Episode 5 | Desperate Encounter | 1968-10-24 | 60 min |
| Season 2 | Episode 6 | I, the People | 1968-10-31 | 60 min |
| Season 2 | Episode 7 | Price Tag: Death | 1968-11-07 | 60 min |
| Season 2 | Episode 8 | An Obvious Case of Guilt | 1968-11-14 | 60 min |
| Season 2 | Episode 9 | Reprise | 1968-11-21 | 60 min |
| Season 2 | Episode 10 | The Macabre Mr. Micawber | 1968-11-28 | 60 min |
| Season 2 | Episode 11 | Side Pocket | 1968-12-05 | 60 min |
| Season 2 | Episode 12 | Sergeant Mike | 1968-12-12 | 60 min |
| Season 2 | Episode 13 | In Search of an Artist | 1969-01-02 | 60 min |
| Season 2 | Episode 14 | Up, Down and Even | 1969-01-09 | 60 min |
| Season 2 | Episode 15 | Why the Tuesday Afternoon Bridge Club Met on Thursday | 1969-01-23 | 60 min |
| Season 2 | Episode 16 | Rundown on a Bum Rap | 1969-01-30 | 60 min |
| Season 2 | Episode 17 | The Prophecy | 1969-02-06 | 60 min |
| Season 2 | Episode 18 | A World of Jackals | 1969-02-13 | 60 min |
| Season 2 | Episode 19 | And Be My Love | 1969-02-20 | 60 min |
| Season 2 | Episode 20 | Moonlight Means Money | 1969-02-27 | 60 min |
| Season 2 | Episode 21 | A Drug on the Market | 1969-03-06 | 60 min |
| Season 2 | Episode 22 | Puzzlelock | 1969-03-13 | 60 min |
| Season 2 | Episode 23 | The Tormentor | 1969-03-27 | 60 min |
| Season 2 | Episode 24 | A Matter of Love and Death | 1969-04-03 | 60 min |
| Season 2 | Episode 25 | Not with a Whimper, But a Bang | 1969-04-10 | 60 min |
| Season 3 | Episode 1 | Alias Mr. Braithwaite | 1969-09-18 | 60 min |
| Season 3 | Episode 2 | Goodbye to Yesterday | 1969-09-25 | 60 min |
| Season 3 | Episode 3 | Poole's Paradise | 1969-10-02 | 60 min |
| Season 3 | Episode 4 | Eye of the Hurricane | 1969-10-09 | 60 min |
| Season 3 | Episode 5 | A Bullet for Mark | 1969-10-16 | 60 min |
| Season 3 | Episode 6 | Love My Enemy | 1969-10-23 | 60 min |
| Season 3 | Episode 7 | Seeing is Believing | 1969-10-30 | 60 min |
| Season 3 | Episode 8 | The Machismo Bag | 1969-11-13 | 60 min |
| Season 3 | Episode 9 | Programmed for Danger | 1969-11-20 | 60 min |
| Season 3 | Episode 10 | Five Miles High | 1969-11-27 | 60 min |
| Season 3 | Episode 11 | L'Chayim | 1969-12-04 | 60 min |
| Season 3 | Episode 12 | Beyond a Shadow | 1969-12-11 | 60 min |
| Season 3 | Episode 13 | Stolen on Demand | 1969-12-25 | 60 min |
| Season 3 | Episode 14 | Dora | 1970-01-08 | 60 min |
| Season 3 | Episode 15 | Beware the Wiles of the Stranger | 1970-01-22 | 60 min |
| Season 3 | Episode 16 | Eden is the Place We Leave | 1970-01-29 | 60 min |
| Season 3 | Episode 17 | The Wrong Time, the Wrong Place | 1970-02-05 | 60 min |
| Season 3 | Episode 18 | Return to Fiji | 1970-02-12 | 60 min |
| Season 3 | Episode 19 | Ransom | 1970-02-19 | 60 min |
| Season 3 | Episode 20 | One Hour to Kill | 1970-02-26 | 60 min |
| Season 3 | Episode 21 | Warrior's Return | 1970-03-05 | 60 min |
| Season 3 | Episode 22 | Little Jerry Jessup | 1970-03-12 | 60 min |
| Season 3 | Episode 23 | Good Will Tour | 1970-03-26 | 60 min |
| Season 3 | Episode 24 | Little Dog, Gone | 1970-04-02 | 60 min |
| Season 3 | Episode 25 | Tom Dayton is Loose Among Us | 1970-04-09 | 60 min |
| Season 4 | Episode 1 | A Killing Will Occur | 1970-09-17 | 60 min |
| Season 4 | Episode 2 | No Game for Amateurs | 1970-09-24 | 60 min |
| Season 4 | Episode 3 | The Happy Dreams of Hollow Men | 1970-10-01 | 60 min |
| Season 4 | Episode 4 | The People Against Judge McIntire | 1970-10-08 | 60 min |
| Season 4 | Episode 5 | Noel's Gonna Fly | 1970-10-15 | 60 min |
| Season 4 | Episode 6 | The Lonely Way to Go | 1970-10-22 | 60 min |
| Season 4 | Episode 7 | Check, Mate; and Murder (Part 1) | 1970-10-29 | 60 min |
| Season 4 | Episode 8 | Check, Mate: and Murder (Part 2) | 1970-11-05 | 60 min |
| Season 4 | Episode 9 | Too Many Victims | 1970-11-12 | 60 min |
| Season 4 | Episode 10 | The Man on the Inside | 1970-11-19 | 60 min |
| Season 4 | Episode 11 | Backfire | 1970-12-03 | 60 min |
| Season 4 | Episode 12 | The Laying on of Hands | 1970-12-10 | 60 min |
| Season 4 | Episode 13 | This Could Blow Your Mind | 1970-12-17 | 60 min |
| Season 4 | Episode 14 | Blackout | 1970-12-31 | 60 min |
| Season 4 | Episode 15 | The Quincunx | 1971-01-07 | 60 min |
| Season 4 | Episode 16 | From Hruska, with Love | 1971-01-21 | 60 min |
| Season 4 | Episode 17 | The Target | 1971-01-28 | 60 min |
| Season 4 | Episode 18 | A Killing at the Track | 1971-02-04 | 60 min |
| Season 4 | Episode 19 | Escape | 1971-02-11 | 60 min |
| Season 4 | Episode 20 | Love, Peace Brotherhood, and Murder | 1971-02-18 | 60 min |
| Season 4 | Episode 21 | The Riddle in Room Six | 1971-02-25 | 60 min |
| Season 4 | Episode 22 | The Summer Soldier | 1971-03-04 | 60 min |
| Season 4 | Episode 23 | Accident | 1971-03-11 | 60 min |
| Season 4 | Episode 24 | Lesson in Terror | 1971-03-18 | 60 min |
| Season 4 | Episode 25 | Grandmother's House | 1971-04-01 | 60 min |
| Season 4 | Episode 26 | Walls Are Waiting | 1971-04-15 | 60 min |
| Season 5 | Episode 1 | The Priest Killer | 1971-09-14 | 60 min |
| Season 5 | Episode 2 | Contract: Kill Ironside | 1971-09-21 | 60 min |
| Season 5 | Episode 3 | The Professionals | 1971-09-28 | 60 min |
| Season 5 | Episode 4 | The Gambling Game | 1971-10-05 | 60 min |
| Season 5 | Episode 6 | Ring of Prayer | 1971-10-12 | 60 min |
| Season 5 | Episode 7 | In the Line of Duty | 1971-10-19 | 60 min |
| Season 5 | Episode 8 | Joss Sticks and Wedding Bells | 1971-10-26 | 60 min |
| Season 5 | Episode 9 | Murder Impromptu | 1971-11-02 | 60 min |
| Season 5 | Episode 10 | Dear Fran... | 1971-11-09 | 60 min |
| Season 5 | Episode 11 | If a Body See a Body | 1971-11-16 | 60 min |
| Season 5 | Episode 12 | Good Samaritan | 1971-11-23 | 60 min |
| Season 5 | Episode 13 | Gentle Oaks | 1971-11-25 | 60 min |
| Season 5 | Episode 14 | License to Kill | 1971-12-02 | 60 min |
| Season 5 | Episode 15 | Class of '57 | 1971-12-16 | 60 min |
| Season 5 | Episode 16 | No Motive for Murder | 1971-12-23 | 60 min |
| Season 5 | Episode 17 | But When She Was Bad,... | 1971-12-30 | 60 min |
| Season 5 | Episode 18 | Unreasonable Facsimile | 1972-01-06 | 60 min |
| Season 5 | Episode 19 | Find a Victim | 1972-01-13 | 60 min |
| Season 5 | Episode 20 | And Then There Was One | 1972-01-20 | 60 min |
| Season 5 | Episode 21 | Death by the Numbers | 1972-01-27 | 60 min |
| Season 5 | Episode 22 | Bubble, Bubble, Toil and Murder | 1972-02-03 | 60 min |
| Season 5 | Episode 23 | Achilles' Heel | 1972-02-17 | 60 min |
| Season 5 | Episode 24 | His Fiddlers Three | 1972-03-02 | 60 min |
| Season 5 | Episode 25 | A Man Named Arno | 1972-03-09 | 60 min |
| Season 6 | Episode 1 | Five Days in the Death of Sgt. Brown (1) | 1972-09-14 | 60 min |
| Season 6 | Episode 2 | The Savage Sentry | 1972-09-21 | 60 min |
| Season 6 | Episode 3 | Programmed for Panic | 1972-09-28 | 60 min |
| Season 6 | Episode 4 | Down Two Roads | 1972-10-12 | 60 min |
| Season 6 | Episode 5 | Camera...Action...Murder! | 1972-10-26 | 60 min |
| Season 6 | Episode 6 | Riddle Me Death | 1972-11-02 | 60 min |
| Season 6 | Episode 7 | Nightmare Trip | 1972-11-09 | 60 min |
| Season 6 | Episode 8 | Buddy, Can You Spare a Life? | 1972-11-16 | 120 min |
| Season 6 | Episode 10 | The Countdown | 1972-11-23 | 60 min |
| Season 6 | Episode 11 | The Deadly Gamesmen | 1972-11-30 | 60 min |
| Season 6 | Episode 12 | Who'll Cry for My Baby? | 1972-12-07 | 60 min |
| Season 6 | Episode 13 | Cold Hard Cash | 1972-12-14 | 60 min |
| Season 6 | Episode 14 | Shadow Soldiers | 1972-12-21 | 60 min |
| Season 6 | Episode 15 | Ollinger's Last Case | 1973-01-04 | 60 min |
| Season 6 | Episode 16 | A Special Person | 1973-01-11 | 60 min |
| Season 6 | Episode 17 | The Caller | 1973-01-25 | 60 min |
| Season 6 | Episode 18 | Love Me in December | 1973-02-01 | 60 min |
| Season 6 | Episode 19 | The Ghost of the Dancing Doll | 1973-02-15 | 60 min |
| Season 6 | Episode 20 | All About Andrea | 1973-02-22 | 60 min |
| Season 6 | Episode 21 | Another Shell Game | 1973-03-01 | 60 min |
| Season 6 | Episode 22 | All Honorable Men | 1973-03-08 | 60 min |
| Season 6 | Episode 23 | The Best Laid Plans | 1973-03-15 | 60 min |
| Season 6 | Episode 24 | A Game of Showdown | 1973-03-22 | 60 min |
| Season 7 | Episode 1 | Confessions: From a Lady of the Night | 1973-09-13 | 60 min |
| Season 7 | Episode 2 | Murder by One | 1973-09-20 | 60 min |
| Season 7 | Episode 3 | In the Forests of the Night | 1973-09-27 | 60 min |
| Season 7 | Episode 4 | Fragile is the House of Cards | 1973-10-04 | 60 min |
| Season 7 | Episode 5 | The Armageddon Gang | 1973-10-11 | 60 min |
| Season 7 | Episode 6 | House of Terror | 1973-10-25 | 60 min |
| Season 7 | Episode 7 | The Helping Hand | 1973-11-01 | 60 min |
| Season 7 | Episode 8 | Downhill All the Way | 1973-11-08 | 120 min |
| Season 7 | Episode 10 | Mind for Murder | 1973-11-15 | 60 min |
| Season 7 | Episode 11 | The Hidden Man | 1973-11-29 | 60 min |
| Season 7 | Episode 12 | Double-Edged Corner | 1973-12-06 | 60 min |
| Season 7 | Episode 13 | The Last Payment | 1973-12-20 | 60 min |
| Season 7 | Episode 14 | Friend or Foe (aka For the Love of God) | 1974-01-03 | 60 min |
| Season 7 | Episode 15 | Two Hundred Large | 1974-01-10 | 60 min |
| Season 7 | Episode 16 | Once More for Joey | 1974-01-17 | 60 min |
| Season 7 | Episode 17 | Terror on Grant Avenue | 1974-01-31 | 60 min |
| Season 7 | Episode 18 | Class of '40 | 1974-02-07 | 60 min |
| Season 7 | Episode 19 | A Taste of Ashes | 1974-02-14 | 60 min |
| Season 7 | Episode 20 | A Death in Academe | 1974-02-21 | 60 min |
| Season 7 | Episode 21 | Close to the Heart | 1974-02-28 | 60 min |
| Season 7 | Episode 22 | Come Eleven, Come Twelve | 1974-03-07 | 60 min |
| Season 7 | Episode 23 | Riddle at 24,000 | 1974-03-14 | 60 min |
| Season 7 | Episode 24 | Amy Prentiss: AKA The Chief | 1974-05-23 | 60 min |
| Season 8 | Episode 1 | Raise the Devil (1) | 1974-09-12 | 60 min |
| Season 8 | Episode 2 | Raise the Devil (2) | 1974-09-19 | 60 min |
| Season 8 | Episode 3 | What's New with Mark? | 1974-09-26 | 60 min |
| Season 8 | Episode 4 | Trial of Terror | 1974-10-03 | 60 min |
| Season 8 | Episode 5 | Cross Doublecross | 1974-10-10 | 60 min |
| Season 8 | Episode 6 | Set-Up: Danger! | 1974-10-24 | 60 min |
| Season 8 | Episode 7 | The Last Cotillion | 1974-10-31 | 60 min |
| Season 8 | Episode 8 | Run Scared | 1974-11-07 | 60 min |
| Season 8 | Episode 9 | Act of Vengeance | 1974-11-14 | 60 min |
| Season 8 | Episode 10 | The Far Side of the Fence | 1974-11-21 | 60 min |
| Season 8 | Episode 11 | The Over-the-Hill Blues | 1974-12-05 | 60 min |
| Season 8 | Episode 12 | Speak No Evil | 1974-12-12 | 60 min |
| Season 8 | Episode 13 | Fall of an Angel | 1974-12-19 | 60 min |
| Season 8 | Episode 14 | The Visiting Fireman | 1974-12-26 | 60 min |
| Season 8 | Episode 15 | The Return of Eleanor Rogers | 1975-01-02 | 60 min |
| Season 8 | Episode 16 | The Faded Image | 1975-01-16 | 60 min |
| Season 8 | Episode 17 | A Matter of Life or Death | | 60 min |
| Season 8 | Episode 18 | The Organizer | | 60 min |
| Season 8 | Episode 19 | The Rolling Y | | 60 min |
