The Simpsons Season 2 Episode 17

Grandpa begins dating Bea Simmons,another resident of the Springfield Retirement Castle, but she dies. She was a very rich woman and leaves all her money to Grandpa. He is at first unsure how to spend it and invites suggestions from all-comers who,apart from Lisa, are greedy and want it for themselves but ultimately donates it to make much-needed improvements to the retirement home,telling everybody 'Dignity is on me.'