The Qin Empire (2009)

S2E19 Mad About Mules

When Matt comes back home from his business trip, he discovers that Jeremy and Zach have caused some trouble. Jeremy has mistakenly filled Matt's new mule with the wrong type of fuel from a gas can. After the two of them abandon the mule on the Bridge to Nowhere, Matt, frustrated, considers quitting his job to spend more time dealing with the mischievous twins.