Season 4
Episodes
1 Casualties of War Sep 8, 2015 2 Saved on Preacher's Corner Sep 15, 2015 
3 War Zone Sep 22, 2015 4 Holidays Thru Hell Sep 29, 2015 5 Wreck, Recover, Repeat. Oct 6, 2015 6 Ice Storm Oct 13, 2015 7 You Can't Argue with Gravity Oct 20, 2015 8 My Purpose is to Protect Oct 27, 2015 9 A Moment's Notice Nov 3, 2015 10 Immovable Objects Nov 10, 2015 11 Nervous Wreck Nov 17, 2015 12 Rear View Nov 24, 2015 13 Fork In The Road Dec 1, 2015
3 War Zone Sep 22, 2015 4 Holidays Thru Hell Sep 29, 2015 5 Wreck, Recover, Repeat. Oct 6, 2015 6 Ice Storm Oct 13, 2015 7 You Can't Argue with Gravity Oct 20, 2015 8 My Purpose is to Protect Oct 27, 2015 9 A Moment's Notice Nov 3, 2015 10 Immovable Objects Nov 10, 2015 11 Nervous Wreck Nov 17, 2015 12 Rear View Nov 24, 2015 13 Fork In The Road Dec 1, 2015