Sezon 4
Bölümler
1 Big Animal Vet 8 Oca 2008 
2 Steel Mill Worker 15 Oca 2008 
3 Cave Biologist 22 Oca 2008 
4 Buoy Cleaner 29 Oca 2008 
5 Cranberry Farmer 5 Şub 2008 
6 Mud Mineral Excavator 12 Şub 2008 
7 Dirty Jobs of the Big Apple 14 Nis 2008 
8 Floating Fish Factory 21 Nis 2008 
9 Dairy Cow Midwife 28 Nis 2008 
10 Aerial Tram Greaser 5 May 2008 11 Turkey Inseminator 12 May 2008 
12 Ice Salvage Crew 19 May 2008 
13 Wind Farm Technician 2 Haz 2008 
14 Animal Barber 9 Haz 2008 15 Brown Before Green 16 Haz 2008 
16 Tar Rigger 7 Eki 2008 
17 Dirty Chip Maker 14 Eki 2008 
18 Sheep Castrator 21 Eki 2008 
19 Leech Trapper 28 Eki 2008 20 Dirty Presidents 4 Kas 2008 
21 Mannequin Factory 11 Kas 2008 
22 Egg Farm 18 Kas 2008 
23 Vellum Maker 25 Kas 2008 
24 Maggot Farmer 2 Ara 2008 
25 Gourd Maker 9 Ara 2008 26 Brown Before Green 2 16 Ara 2008