S20E14 In the Name of the Grandfather
Feeling bad because they were too busy enjoying their new hot tub to remember to support Grampa at the Retirement Castle's sports day,the Simpsons take him to Ireland to revisit Tom O'Flanagan's pub where he had many a happy drink during the war. Unfortunately the new Irish are too busy making money to visit traditional pubs and the bar is empty. However Tom gets Abe and Homer drunk and the morning after they find they have bought the pub. To discover ways of drumming up trade they fly in Moe,who has the perfect answer. Permit people to light up in defiance of the No Smoking ban. The customers pour in. But then so do the police...