|Full Name||Robert Rogers|
|First Episode||Barney's Replacement|
|Last Episode||Barney's Replacement|
|Portrayed by||Mark Miller|
A rookie, Bob Rogers, is a go-getting lawman from the state attorney's office. He has been sent to Mayberry to study law enforcement first-hand. When Rogers turns out to be exceedingly efficient, Barney's paranoia sets in and he convinces himself that Andy intends to hire Rogers as his replacement, Barney quits his job and becomes a door-to-door vacuum cleaner salesman. Andy must prove how much Barney is really needed.