Simpsons Season 5, Episode 10: $pringfield (or How I Learned to Stop Worrying and Love Legalized Gambling)

After the local economy stalls, everyone in town votes for gambling to be legalized, prompting Mr. Burns to open a casino. Homer becomes a blackjack dealer, and Marge to become so addicted to gambling that she forgets about her family life. Meanwhile, Bart opens up his own casino after being kicked out of Mr. Burns's and Lisa struggles to have her costume done for a school pageant.