Special Agent Eliot Ness and his elite team of incorruptible agents battle organized crime in 1930s Chicago.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | The Empty Chair | 1959-10-15 | 60 min |
| Season 1 | Episode 2 | Ma Barker and Her Boys | 1959-10-22 | 60 min |
| Season 1 | Episode 3 | The Jake Lingle Killing | 1959-10-29 | 60 min |
| Season 1 | Episode 4 | The George "Bugs" Moran Story | 1959-11-05 | 60 min |
| Season 1 | Episode 5 | Ain't We Got Fun? | 1959-11-12 | 60 min |
| Season 1 | Episode 6 | Vincent "Mad Dog" Coll | 1959-11-19 | 60 min |
| Season 1 | Episode 7 | Mexican Stake-Out | 1959-11-26 | 60 min |
| Season 1 | Episode 8 | The Artichoke King | 1959-12-03 | 60 min |
| Season 1 | Episode 9 | The Tri-State Gang | 1959-12-10 | 60 min |
| Season 1 | Episode 10 | The Dutch Schultz Story | 1959-12-17 | 60 min |
| Season 1 | Episode 11 | You Can't Pick the Number | 1959-12-24 | 60 min |
| Season 1 | Episode 12 | The Underground Railway | 1959-12-31 | 60 min |
| Season 1 | Episode 13 | Syndicate Sanctuary | 1960-01-07 | 60 min |
| Season 1 | Episode 14 | The Noise of Death | 1960-01-14 | 60 min |
| Season 1 | Episode 15 | Star Witness | 1960-01-14 | 60 min |
| Season 1 | Episode 16 | The St. Louis Story | 1960-01-28 | 60 min |
| Season 1 | Episode 17 | One-Armed Bandits | 1960-02-04 | 60 min |
| Season 1 | Episode 18 | Little Egypt | 1960-02-11 | 60 min |
| Season 1 | Episode 19 | The Big Squeeze | 1960-02-18 | 60 min |
| Season 1 | Episode 20 | The Unhired Assassin (1) | 1960-02-25 | 60 min |
| Season 1 | Episode 21 | The Unhired Assassin (2) | 1960-03-03 | 60 min |
| Season 1 | Episode 22 | The White Slavers | 1960-03-10 | 60 min |
| Season 1 | Episode 23 | Three Thousand Suspects | 1960-03-24 | 60 min |
| Season 1 | Episode 24 | The Doreen Maney Story | 1960-03-31 | 60 min |
| Season 1 | Episode 25 | Portrait of a Thief | 1960-04-07 | 60 min |
| Season 1 | Episode 26 | Underworld Bank | 1960-04-14 | 60 min |
| Season 1 | Episode 27 | Head of Fire - Feet of Clay | 1960-04-21 | 60 min |
| Season 1 | Episode 28 | The Frank Nitti Story | 1960-04-28 | 60 min |
| Season 2 | Episode 1 | The Rusty Heller Story | 1960-10-13 | 60 min |
| Season 2 | Episode 2 | Jack "Legs" Diamond | 1960-10-20 | 60 min |
| Season 2 | Episode 3 | Nicky | 1960-11-03 | 60 min |
| Season 2 | Episode 4 | The Waxey Gordon Story | 1960-11-10 | 60 min |
| Season 2 | Episode 5 | The Mark of Cain | 1960-11-17 | 60 min |
| Season 2 | Episode 6 | A Seat on the Fence | 1960-11-24 | 60 min |
| Season 2 | Episode 7 | The Purple Gang | 1960-12-01 | 60 min |
| Season 2 | Episode 8 | Kiss of Death Girl | 1960-12-08 | 60 min |
| Season 2 | Episode 9 | The Larry Fay Story | 1960-12-15 | 60 min |
| Season 2 | Episode 10 | The Otto Frick Story | 1960-12-22 | 60 min |
| Season 2 | Episode 11 | The Tommy Karpeles Story | 1960-12-29 | 60 min |
| Season 2 | Episode 12 | The Big Train (1) | 1961-01-05 | 60 min |
| Season 2 | Episode 13 | The Big Train (2) | 1961-01-12 | 60 min |
| Season 2 | Episode 14 | The Masterpiece | 1961-01-19 | 60 min |
| Season 2 | Episode 15 | The Organization | 1961-01-26 | 60 min |
| Season 2 | Episode 16 | The Jamaica Ginger Story | 1961-02-02 | 60 min |
| Season 2 | Episode 17 | Augie "the Banker" Ciamino | 1961-02-09 | 60 min |
| Season 2 | Episode 18 | The Underground Court | 1961-02-16 | 60 min |
| Season 2 | Episode 19 | The Nick Moses Story | 1961-02-23 | 60 min |
| Season 2 | Episode 20 | The Antidote | 1961-03-09 | 60 min |
| Season 2 | Episode 21 | The Lily Dallas Story | 1961-03-16 | 60 min |
| Season 2 | Episode 22 | Murder Under Glass | 1961-03-23 | 60 min |
| Season 2 | Episode 23 | Testimony of Evil | 1961-03-30 | 60 min |
| Season 2 | Episode 24 | Ring of Terror | 1961-04-13 | 60 min |
| Season 2 | Episode 25 | Mr. Moon | 1961-04-20 | 60 min |
| Season 2 | Episode 26 | Death for Sale | 1961-04-27 | 60 min |
| Season 2 | Episode 27 | Stranglehold | 1961-05-04 | 60 min |
| Season 2 | Episode 28 | The Nero Rankin Story | 1961-05-11 | 60 min |
| Season 2 | Episode 29 | The Seventh Vote | 1961-05-18 | 60 min |
| Season 2 | Episode 30 | The King of Champagne | 1961-05-25 | 60 min |
| Season 2 | Episode 31 | The Nick Acropolis Story | 1961-06-01 | 60 min |
| Season 2 | Episode 32 | 90-Proof Dame | 1961-06-08 | 60 min |
| Season 3 | Episode 1 | The Troubleshooter | 1961-10-12 | 60 min |
| Season 3 | Episode 2 | Power Play | 1961-10-19 | 60 min |
| Season 3 | Episode 3 | Tunnel of Horrors | 1961-10-26 | 60 min |
| Season 3 | Episode 4 | The Genna Brothers | 1961-11-02 | 60 min |
| Season 3 | Episode 5 | The Matt Bass Scheme | 1961-11-09 | 60 min |
| Season 3 | Episode 6 | Loophole | 1961-11-16 | 60 min |
| Season 3 | Episode 7 | Jigsaw | 1961-11-23 | 60 min |
| Season 3 | Episode 8 | Man Killer | 1961-12-07 | 60 min |
| Season 3 | Episode 9 | City Without a Name | 1961-12-14 | 60 min |
| Season 3 | Episode 10 | Hammerlock | 1961-12-21 | 60 min |
| Season 3 | Episode 11 | The Canada Run | 1962-01-04 | 60 min |
| Season 3 | Episode 12 | Fall Guy | 1962-01-11 | 60 min |
| Season 3 | Episode 13 | The Gang War | 1962-01-18 | 60 min |
| Season 3 | Episode 14 | The Silent Partner | 1962-02-01 | 60 min |
| Season 3 | Episode 15 | The Whitey Steele Story | 1962-02-08 | 60 min |
| Season 3 | Episode 16 | The Death Tree | 1962-02-15 | 60 min |
| Season 3 | Episode 17 | Takeover | 1962-03-01 | 60 min |
| Season 3 | Episode 18 | The Stryker Brothers | 1962-03-08 | 60 min |
| Season 3 | Episode 19 | Element of Danger | 1962-03-22 | 60 min |
| Season 3 | Episode 20 | The Maggie Storm Story | 1962-03-29 | 60 min |
| Season 3 | Episode 21 | Man in the Middle | 1962-04-05 | 60 min |
| Season 3 | Episode 22 | Downfall | 1962-05-03 | 60 min |
| Season 3 | Episode 23 | The Case Against Eliot Ness | 1962-05-10 | 60 min |
| Season 3 | Episode 24 | The Ginnie Littlesmith Story | 1962-05-17 | 60 min |
| Season 3 | Episode 25 | The Contract | 1962-05-31 | 60 min |
| Season 3 | Episode 26 | Pressure | 1962-06-14 | 60 min |
| Season 3 | Episode 27 | Arsenal | 1962-06-28 | 60 min |
| Season 3 | Episode 28 | The Monkey Wrench | 1962-07-05 | 60 min |
| Season 4 | Episode 1 | The Night They Shot Santa Claus | 1962-09-25 | 60 min |
| Season 4 | Episode 2 | The Cooker in the Sky | 1962-10-02 | 60 min |
| Season 4 | Episode 3 | The Chess Game | 1962-10-09 | 60 min |
| Season 4 | Episode 4 | The Economist | 1962-10-16 | 60 min |
| Season 4 | Episode 5 | The Pea | 1962-10-23 | 60 min |
| Season 4 | Episode 6 | Bird in the Hand | 1962-10-30 | 60 min |
| Season 4 | Episode 7 | The Eddie O'Gara Story | 1962-11-13 | 60 min |
| Season 4 | Episode 8 | Elegy | 1962-11-20 | 60 min |
| Season 4 | Episode 9 | Come and Kill Me | 1962-11-27 | 60 min |
| Season 4 | Episode 10 | A Fist of Five | 1962-12-04 | 60 min |
| Season 4 | Episode 11 | The Floyd Gibbons Story | 1962-12-11 | 60 min |
| Season 4 | Episode 12 | Double Cross | 1962-12-18 | 60 min |
| Season 4 | Episode 13 | Search for a Dead Man | 1963-01-01 | 60 min |
| Season 4 | Episode 14 | The Speculator | 1963-01-08 | 60 min |
| Season 4 | Episode 15 | The Snowball | 1963-01-15 | 60 min |
| Season 4 | Episode 16 | Jake Dance | 1963-01-22 | 60 min |
| Season 4 | Episode 17 | Blues for a Gone Goose | 1963-01-29 | 60 min |
| Season 4 | Episode 18 | Globe of Death | 1963-02-05 | 60 min |
| Season 4 | Episode 19 | An Eye for an Eye | 1963-02-19 | 60 min |
| Season 4 | Episode 20 | Junk Man | 1963-01-26 | 60 min |
| Season 4 | Episode 21 | The Man in the Cooler | 1963-03-05 | 60 min |
| Season 4 | Episode 22 | The Butcher's Boy | 1963-03-12 | 60 min |
| Season 4 | Episode 23 | The Spoiler | 1963-03-26 | 60 min |
| Season 4 | Episode 24 | One Last Killing | 1963-04-02 | 60 min |
| Season 4 | Episode 25 | The Giant Killer | 1963-04-09 | 60 min |
| Season 4 | Episode 26 | The Charlie Argos Story | 1963-04-16 | 60 min |
| Season 4 | Episode 27 | The Jazz Man | 1963-04-30 | 60 min |
| Season 4 | Episode 28 | The Torpedo | 1963-05-07 | 60 min |
| Season 4 | Episode 29 | Line of Fire | 1963-05-14 | 60 min |
| Season 4 | Episode 30 | A Taste for Pineapple | 1963-05-21 | 60 min |
| Directing | Walter Grauman | Director |
