1x01: Episode 1
S02 Special: Dirtiest Water Jobs
S02 Special: Dirtiest Animals
S02 Special: Creepy Critters
S02 Special: Super Dirty
S04 Special: Tight Spaces
S04 Special: Dirty Innovators
S04 Special: Spray Insulation Technician
S04 Special: Creepy, Slimy and Just Plain Weird
S300 Special: 150th Dirty Job Extravaganza
S300 Special: Crew's Cruise
S04 Special: Dirtiest Machines on the Planet
S03 Special: Really Dirty Animals
S02 Special: 100th Dirty Job Special
S02 Special: Jobs That Bite...Harder
S02 Special: Jobs that Bite
S02 Special: Dirtiest Tools & Machines
S04 Special: Brown Plate Special
S09 Special: Brown Before Green (1)