Ignited by a bombshell story revealing the Pentagon had been tracking UFOs for years, the series examines the history of the phenomenon through cultural and political touchpoints, including testimony from eyewitnesses across the country.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Identified | 1970-09-16 | 60 min |
| Season 1 | Episode 2 | Exposed | 1970-09-23 | 60 min |
| Season 1 | Episode 3 | The Cat with Ten Lives | 1970-09-30 | 60 min |
| Season 1 | Episode 4 | Conflict | 1970-10-07 | 60 min |
| Season 1 | Episode 5 | A Question of Priorities | 1970-10-14 | 60 min |
| Season 1 | Episode 6 | E.S.P. | 1970-10-21 | 60 min |
| Season 1 | Episode 7 | Kill Straker! | 1970-11-04 | 60 min |
| Season 1 | Episode 8 | Sub-Smash | 1970-11-11 | 60 min |
| Season 1 | Episode 9 | Destruction | 1970-12-02 | 60 min |
| Season 1 | Episode 10 | The Square Triangle | 1970-12-09 | 60 min |
| Season 1 | Episode 11 | Close Up | 1970-12-16 | 60 min |
| Season 1 | Episode 12 | The Psychobombs | 1970-12-30 | 60 min |
| Season 1 | Episode 13 | Survival | 1971-01-06 | 60 min |
| Season 1 | Episode 14 | Mindbender | 1971-01-13 | 60 min |
| Season 1 | Episode 15 | Flight Path | 1971-01-20 | 60 min |
| Season 1 | Episode 16 | The Man Who Came Back | 1971-02-03 | 60 min |
| Season 1 | Episode 17 | The Dalotek Affair | 1971-02-10 | 60 min |
| Season 1 | Episode 18 | Timelash | 1971-02-17 | 60 min |
| Season 1 | Episode 19 | Ordeal | 1971-04-14 | 60 min |
| Season 1 | Episode 20 | Court Martial | 1971-05-01 | 60 min |
| Season 1 | Episode 21 | Computer Affair | 1971-05-15 | 60 min |
| Season 1 | Episode 22 | Confetti Check A-O.K. | 1971-07-10 | 60 min |
| Season 1 | Episode 23 | The Sound of Silence | 1971-07-17 | 60 min |
| Season 1 | Episode 24 | Reflections in the Water | 1971-07-24 | 60 min |
| Season 1 | Episode 25 | The Responsibility Seat | 1973-03-08 | 60 min |
| Season 1 | Episode 26 | The Long Sleep | 1973-03-15 | 60 min |
| Production | J.J. Abrams | Executive Producer |
| Production | Glen Zipper | Executive Producer |
| Production | Mark Monroe | Executive Producer |
| Production | Sean M. Stuart | Executive Producer |
| Production | Ben Stephenson | Executive Producer |
| Production | Rachel Rusch | Executive Producer |
| Production | Kevin Lincoln | Co-Executive Producer |
| Production | Maren Domzalski | Producer |
| Production | Paul McGuire | Producer |
