It's a Dirty Job Timber Kings : Season 3 Episode 3

A reluctant Joel joins forces with his wife to construct a backyard obstacle course that he hopes will prepare them for one Tough Mudder of a race. Meanwhile, Beat battles torrential rains, swollen logs and a mud mired build site to create a high-end cottage on a Minnesota lake. And Peter builds a gazebo for his favorite 88-year old - a prized 1927 tractor.