Sometimes, tractors get int he way of a case. Dan and Jack are hiding behind one in this scene from "$3.52."
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The Good Guys is a buddy-cop show at its core. It focuses on Jack and Dan, both played well by Colin Hanks and Bradley Whitford, respectively.
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The Good Guys Season 1 Episode 5 Quotes

Dan: Am I under oath?
Liz: Yes, I'd appreciate it if you stopped asking that question.

Are you asking me to predict the behavior of a man who uses his service revolver to open a mayonnaise jar?

Jack