| S04E01 | #72 | Extinction | 25/09/2017 | | |
| S04E02 | #73 | More Extinction | 02/10/2017 | | |
| S04E03 | #74 | Grow a Deer, a Female Deer | 09/10/2017 | | |
| S04E04 | #75 | Nuke Kids on the Block | 16/10/2017 | | |
| S04E05 | #76 | Sci Hard | 23/10/2017 | | |
| S04E06 | #77 | Queen Scary | 30/10/2017 | | |
| S04E07 | #78 | Go with the Flo(rence) | 06/11/2017 | | |
| S04E08 | #79 | Faire is Foul | 13/11/2017 | | |
| S04E09 | #80 | It's Raining Men (of War) | 20/11/2017 | | |
| S04E10 | #81 | Crime Every Mountain | 27/11/2017 | | |
| S04E11 | #82 | Who Let the Dog Out ('Cause Now It's Stuck in a Cistern) | 11/12/2017 | | |
| S04E12 | #83 | A Christmas Car-Roll | 18/12/2017 | | |
| S04E13 | #84 | The Bunker Games | 15/01/2018 | | |
| S04E14 | #85 | Lighthouse of the Rising Sun | 22/01/2018 | | |
| S04E15 | #86 | Wave Goodbye | 29/01/2018 | | |
| S04E16 | #87 | Nerd, Wind & Fire | 05/02/2018 | | |
| S04E17 | #88 | Dumbster Fire | 26/02/2018 | | |
| S04E18 | #89 | Dork Day Afternoon | 05/03/2018 | | |
| S04E19 | #90 | Gator Done | 19/03/2018 | | |
| S04E20 | #91 | Foul Balls | 26/03/2018 | | |
| S04E21 | #92 | Kenny and the Jet | 09/04/2018 | | |
| S04E22 | #93 | A Lie in the Sand | 16/04/2018 | | |