S02:E03 - The Legend of Bigtire / Hard At Work

The boys follow the giant tire track of a legendary truck, and let their imaginations go wild, only to find that Bigtire is nothing like what they predicted! /To get an awesome new toy, Chuck promises to clean up the paved track. But when the job is harder than he imagined, he convinces Biggs to help, only to feel guilty when Biggs does most of the work.