Description by couchtuner for The Simpsons Season 13 Episode 13 : In order to impress Zelda, a new female resident at the retirement castle, Grampa starts driving again. But Grampa runs into trouble with Homer whose car he continually abuses and he develops some enemies in the form of rival gang of retirees at the Kwik-E-Mart.
Watch It Here : The Simpsons Season 13 Episode 13 The Old Man and the Key