The show takes place from 1944 to 2002 and follows the lives of three families: the Crawfords, who seek to cover up the Roswell crash and the existence of aliens; the Keys, who are subject to frequent experimentation by the aliens; and the Clarkes, who sheltered one of the surviving aliens from the crash.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Pilot | 2017-02-27 | 60 min |
| Season 1 | Episode 2 | Ready | 2017-03-06 | 60 min |
| Season 1 | Episode 3 | Off Side | 2017-03-13 | 60 min |
| Season 1 | Episode 4 | Mattie G. | 2017-03-20 | 60 min |
| Season 1 | Episode 5 | A Clockwork Swiss | 2017-03-27 | 60 min |
| Season 1 | Episode 6 | Hail Mary | 2017-04-03 | 60 min |
| Season 1 | Episode 7 | Solo | 2017-04-10 | 60 min |
| Season 1 | Episode 8 | Leah | 2017-04-17 | 60 min |
| Season 1 | Episode 9 | Gone | 2017-04-24 | 60 min |
| Season 1 | Episode 10 | I Surrender | 2017-05-01 | 60 min |
| Season 2 | Episode 1 | S.E.R.E. | 2018-01-12 | 60 min |
| Season 2 | Episode 2 | Quarry | 2018-01-19 | 60 min |
| Season 2 | Episode 3 | Hammurabi | 2018-01-26 | 60 min |
| Season 2 | Episode 4 | OPSEC | 2018-02-02 | 60 min |
| Season 2 | Episode 5 | Absalom | 2018-03-02 | 60 min |
| Season 2 | Episode 6 | Charm School | 2018-03-09 | 60 min |
| Season 2 | Episode 7 | Invitation Only | 2018-03-16 | 60 min |
| Season 2 | Episode 8 | Strelochnik | 2018-03-23 | 60 min |
| Season 2 | Episode 9 | Verum Nocet | 2018-03-30 | 60 min |
| Season 2 | Episode 10 | All About Eve | 2018-04-06 | 60 min |
| Season 2 | Episode 11 | Password | 2018-04-13 | 60 min |
| Season 2 | Episode 12 | Imperium | 2018-05-26 | 60 min |
| Season 2 | Episode 13 | ACGT | 2018-06-02 | 60 min |
| Season 2 | Episode 14 | Carapace | 2018-06-09 | 60 min |
| Season 2 | Episode 15 | Render | 2018-06-23 | 60 min |
| Season 2 | Episode 16 | Viceroy | 2018-06-30 | 60 min |
| Directing | Sergio Mimica-Gezzan | Director |
| Production | Steven Spielberg | Executive Producer |
| Production | Leslie Bohem | Executive Producer |
| Production | Steve Beers | Producer |
| Production | Darryl Frank | Producer |
| Production | Joe M. Aguilar | Producer |
| Production | Richard Heus | Producer |
