| Episodes | Name | Date | Rating |
|---|---|---|---|
| S1 EP1 | Pilot | 2013-01-30 | 7.8 |
| S1 EP2 | The Clock | 2013-02-06 | 7.7 |
| S1 EP3 | Gregory | 2013-02-13 | 7.7 |
| S1 EP4 | In Control | 2013-02-20 | 7.7 |
| S1 EP5 | COMINT | 2013-02-27 | 7.7 |
| S1 EP6 | Trust Me | 2013-03-06 | 7.8 |
| S1 EP7 | Duty and Honor | 2013-03-13 | 7.8 |
| S1 EP8 | Mutually Assured Destruction | 2013-03-20 | 7.4 |
| S1 EP9 | Safe House | 2013-04-03 | 8 |
| S1 EP10 | Only You | 2013-04-10 | 7.9 |
| S1 EP11 | Covert War | 2013-04-17 | 7.7 |
| S1 EP12 | The Oath | 2013-04-24 | 7.6 |
| S1 EP13 | The Colonel | 2013-05-01 | 7.4 |
| S2 EP1 | Comrades | 2014-02-26 | 7.3 |
| S2 EP2 | Cardinal | 2014-03-05 | 6.6 |
| S2 EP3 | The Walk In | 2014-03-12 | 6.8 |
| S2 EP4 | A Little Night Music | 2014-03-19 | 6.8 |
| S2 EP5 | The Deal | 2014-03-26 | 7.2 |
| S2 EP6 | Behind the Red Door | 2014-04-02 | 7 |
| S2 EP7 | ARPANET | 2014-04-09 | 7.1 |
| S2 EP8 | New Car | 2014-04-16 | 6.7 |
| S2 EP9 | Martial Eagle | 2014-04-23 | 6.9 |
| S2 EP10 | Yousaf | 2014-04-30 | 6.5 |
| S2 EP11 | Stealth | 2014-05-07 | 7.1 |
| S2 EP12 | Operation Chronicle | 2014-05-14 | 6.9 |
| S2 EP13 | Echo | 2014-05-21 | 7.2 |
| S3 EP1 | EST Men | 2015-01-28 | 6.8 |
| S3 EP2 | Baggage | 2015-02-04 | 6.9 |
| S3 EP3 | Open House | 2015-02-11 | 6.3 |
| S3 EP4 | Dimebag | 2015-02-18 | 6.6 |
| S3 EP5 | Salang Pass | 2015-02-25 | 6.8 |
| S3 EP6 | Born Again | 2015-03-04 | 6.6 |
| S3 EP7 | Walter Taffet | 2015-03-11 | 6.5 |
| S3 EP8 | Divestment | 2015-03-18 | 6.9 |
| S3 EP9 | Do Mail Robots Dream of Electric Sheep? | 2015-03-25 | 6.8 |
| S3 EP10 | Stingers | 2015-04-01 | 7 |
| S3 EP11 | One Day in the Life of Anton Baklanov | 2015-04-08 | 6.8 |
| S3 EP12 | I Am Abassin Zadran | 2015-04-15 | 6.9 |
| S3 EP13 | March 8, 1983 | 2015-04-22 | 6.8 |
| S4 EP1 | Glanders | 2016-03-16 | 6.6 |
| S4 EP2 | Pastor Tim | 2016-03-23 | 6.9 |
| S4 EP3 | Experimental Prototype City of Tomorrow | 2016-03-30 | 7.1 |
| S4 EP4 | Chloramphenicol | 2016-04-06 | 7.3 |
| S4 EP5 | Clark's Place | 2016-04-13 | 6.6 |
| S4 EP6 | The Rat | 2016-04-20 | 7.1 |
| S4 EP7 | Travel Agents | 2016-04-27 | 6.8 |
| S4 EP8 | The Magic of David Copperfield V: The Statue of Liberty Disappears | 2016-05-04 | 7 |
| S4 EP9 | The Day After | 2016-05-11 | 7.3 |
| S4 EP10 | Munchkins | 2016-05-18 | 6.6 |
| S4 EP11 | Dinner for Seven | 2016-05-25 | 7.1 |
| S4 EP12 | A Roy Rogers in Franconia | 2016-06-01 | 6.4 |
| S4 EP13 | Persona Non Grata | 2016-06-08 | 6.9 |
| S5 EP1 | Amber Waves | 2017-03-07 | 6.5 |
| S5 EP2 | Pests | 2017-03-14 | 6.7 |
| S5 EP3 | The Midges | 2017-03-21 | 6.6 |
| S5 EP4 | What's the Matter with Kansas? | 2017-03-28 | 6.9 |
| S5 EP5 | Lotus 1-2-3 | 2017-04-04 | 6.5 |
| S5 EP6 | Crossbreed | 2017-04-11 | 6.7 |
| S5 EP7 | The Committee on Human Rights | 2017-04-18 | 6.8 |
| S5 EP8 | Immersion | 2017-04-25 | 6.7 |
| S5 EP9 | IHOP | 2017-05-02 | 6.8 |
| S5 EP10 | Darkroom | 2017-05-09 | 7 |
| S5 EP11 | Dyatkovo | 2017-05-16 | 7.3 |
| S5 EP12 | The World Council of Churches | 2017-05-23 | 6.9 |
| S5 EP13 | The Soviet Division | 2017-05-30 | 7.9 |
| S6 EP1 | Dead Hand | 2018-03-28 | 7.1 |
| S6 EP2 | Tchaikovsky | 2018-04-04 | 7 |
| S6 EP3 | Urban Transport Planning | 2018-04-11 | 7.1 |
| S6 EP4 | Mr. and Mrs. Teacup | 2018-04-18 | 6.8 |
| S6 EP5 | The Great Patriotic War | 2018-04-25 | 7.2 |
| S6 EP6 | Rififi | 2018-05-02 | 7.1 |
| S6 EP7 | Harvest | 2018-05-09 | 7.8 |
| S6 EP8 | The Summit | 2018-05-16 | 7.7 |
| S6 EP9 | Jennings, Elizabeth | 2018-05-23 | 8 |
| S6 EP10 | START | 2018-05-30 | 9.1 |