The Dukes of Hazzard S07 E04 Robot P. Coltrane

"You're in Hazzard County where the lawmen are crooks, the good guys are outlaws and ever'body's in-laws!"

A couple of thieves bring an advanced robot - that they stole for a ransom - through Hazzard County and Boss decides to buy it off them, fires Rosco, and make it the new sheriff: Robot P. Coltrane.