| Episodes | Name | Date | Rating |
|---|---|---|---|
| S1 EP1 | Pilot | 2014-09-22 | 6.8 |
| S1 EP2 | Single Point of Failure | 2014-09-29 | 6.2 |
| S1 EP3 | A Cyclone | 2014-10-06 | 6 |
| S1 EP4 | Shorthanded | 2014-10-13 | 6.1 |
| S1 EP5 | Plutonium Is Forever | 2014-10-20 | 5.9 |
| S1 EP6 | True Colors | 2014-10-27 | 6 |
| S1 EP7 | Father's Day | 2014-11-03 | 6 |
| S1 EP8 | Risky Business | 2014-11-10 | 6 |
| S1 EP9 | Rogue Element | 2014-11-17 | 6.1 |
| S1 EP10 | Talismans | 2014-11-24 | 6.4 |
| S1 EP11 | Revenge | 2014-12-08 | 6 |
| S1 EP12 | Dominoes | 2014-12-15 | 6.1 |
| S1 EP13 | Kill Screen | 2015-01-05 | 5.8 |
| S1 EP14 | Charades | 2015-01-18 | 6.4 |
| S1 EP15 | Forget Me Nots | 2015-01-19 | 6.1 |
| S1 EP16 | Love Boat | 2015-02-09 | 6.2 |
| S1 EP17 | Going South | 2015-02-23 | 6.1 |
| S1 EP18 | Once Bitten, Twice Die | 2015-03-09 | 6.5 |
| S1 EP19 | Young Hearts Spark Fire | 2015-03-23 | 6.5 |
| S1 EP20 | Crossroads | 2015-03-30 | 6.4 |
| S1 EP21 | Cliffhanger | 2015-04-13 | 6.1 |
| S1 EP22 | Postcards From the Edge | 2015-04-20 | 6.4 |
| S2 EP1 | Satellite of Love | 2015-09-21 | 6.8 |
| S2 EP2 | Cuba Libre | 2015-09-28 | 6.3 |
| S2 EP3 | Fish Filet | 2015-10-05 | 6.6 |
| S2 EP4 | Robots | 2015-10-12 | 6.6 |
| S2 EP5 | Super Fun Guys | 2015-10-19 | 6.4 |
| S2 EP6 | Tech, Drugs, and Rock 'n Roll | 2015-10-26 | 6.8 |
| S2 EP7 | Crazy Train | 2015-11-02 | 6.5 |
| S2 EP8 | Area 51 | 2015-11-09 | 6.2 |
| S2 EP9 | US vs. UN vs. UK | 2015-11-16 | 6.5 |
| S2 EP10 | Arrivals and Departures | 2015-11-23 | 6.8 |
| S2 EP11 | The Old College Try | 2015-12-07 | 6.6 |
| S2 EP12 | Dam Breakthrough | 2015-12-14 | 6.8 |
| S2 EP13 | White Out | 2016-01-04 | 6.4 |
| S2 EP14 | Sun of a Gun | 2016-01-18 | 6.3 |
| S2 EP15 | Da Bomb | 2016-01-25 | 6.6 |
| S2 EP16 | Fractured | 2016-02-08 | 6.7 |
| S2 EP17 | Adaptation | 2016-02-22 | 6.3 |
| S2 EP18 | The Fast and the Nerdiest | 2016-02-29 | 6.3 |
| S2 EP19 | Ticker | 2016-03-14 | 6.3 |
| S2 EP20 | Djibouti Call | 2016-03-21 | 6.4 |
| S2 EP21 | Twist and Shout | 2016-03-28 | 6.8 |
| S2 EP22 | Hard Knox | 2016-04-11 | 6.8 |
| S2 EP23 | Chernobyl Intentions | 2016-04-18 | 6.8 |
| S2 EP24 | Toby or Not Toby | 2016-04-25 | 7.1 |
| S3 EP1 | Civil War | 2016-10-03 | 6.1 |
| S3 EP2 | More Civil War | 2016-10-03 | 6.2 |
| S3 EP3 | It Isn't the Fall That Kills You | 2016-10-10 | 6.4 |
| S3 EP4 | Little Boy Lost | 2016-10-17 | 6.7 |
| S3 EP5 | Plight at the Museum | 2016-10-24 | 6.5 |
| S3 EP6 | Bat Poop Crazy | 2016-10-31 | 6.5 |
| S3 EP7 | We're Gonna Need a Bigger Vote | 2016-11-07 | 6.4 |
| S3 EP8 | Sly and the Family Stone | 2016-11-14 | 6.3 |
| S3 EP9 | Mother Load | 2016-11-21 | 6.5 |
| S3 EP10 | This Is the Pits | 2016-12-12 | 6.4 |
| S3 EP11 | Wreck the Halls | 2016-12-19 | 6.5 |
| S3 EP12 | Ice Ca-Cabes | 2017-01-02 | 6.6 |
| S3 EP13 | Faux Money Maux Problems | 2017-01-16 | 6.5 |
| S3 EP14 | The Hole Truth | 2017-01-23 | 6.3 |
| S3 EP15 | Sharknerdo | 2017-02-06 | 6.2 |
| S3 EP16 | Keep It in Check, Mate | 2017-02-13 | 6.4 |
| S3 EP17 | Dirty Seeds, Done Dirt Cheap | 2017-02-20 | 6 |
| S3 EP18 | Don't Burst My Bubble | 2017-02-27 | 6.8 |
| S3 EP19 | Monkey See, Monkey Poo | 2017-03-13 | 6.1 |
| S3 EP20 | Broken Wind | 2017-03-20 | 6.4 |
| S3 EP21 | Rock Block | 2017-04-10 | 6.4 |
| S3 EP22 | Strife on Mars | 2017-04-17 | 6.2 |
| S3 EP23 | Something Burrowed, Something Blew | 2017-05-01 | 6.8 |
| S3 EP24 | Maroon 8 | 2017-05-08 | 6.6 |
| S3 EP25 | Scorp Family Robinson | 2017-05-15 | 6.8 |
| S4 EP1 | Extinction | 2017-09-25 | 5.9 |
| S4 EP2 | More Extinction | 2017-10-02 | 6.1 |
| S4 EP3 | Grow a Deer, a Female Deer | 2017-10-09 | 6.3 |
| S4 EP4 | Nuke Kids on the Block | 2017-10-16 | 6 |
| S4 EP5 | Sci Hard | 2017-10-23 | 6.7 |
| S4 EP6 | Queen Scary | 2017-10-30 | 6.4 |
| S4 EP7 | Go With the Flo(rence) | 2017-11-06 | 6.3 |
| S4 EP8 | Faire Is Foul | 2017-11-13 | 6 |
| S4 EP9 | It's Raining Men (of War) | 2017-11-20 | 6.4 |
| S4 EP10 | Crime Every Mountain | 2017-11-27 | 6.3 |
| S4 EP11 | Who Let the Dog Out ('Cause Now It's Stuck in a Cistern) | 2017-12-11 | 6.6 |
| S4 EP12 | A Christmas Car-Roll | 2017-12-18 | 6.4 |
| S4 EP13 | The Bunker Games | 2018-01-15 | 6 |
| S4 EP14 | Lighthouse of the Rising Sun | 2018-01-22 | 6.2 |
| S4 EP15 | Wave Goodbye | 2018-01-29 | 6.3 |
| S4 EP16 | Nerd, Wind & Fire | 2018-02-05 | 6.2 |
| S4 EP17 | Dumbster Fire | 2018-02-26 | 6.3 |
| S4 EP18 | Dork Day Afternoon | 2018-03-05 | 6 |
| S4 EP19 | Gator Done | 2018-03-19 | 5.9 |
| S4 EP20 | Foul Balls | 2018-03-26 | 6.1 |
| S4 EP21 | Kenny and the Jet | 2018-04-09 | 6.4 |
| S4 EP22 | A Lie in the Sand | 2018-04-16 | 6 |