The Moment of Truth (2008)

S6E3 "Do You Take This Man?"

Title: "Do You Take This Man?" Plot: Mrs. Slocombe believes she has found her perfect match, a bouzouki musician from a local Greek eatery. To save money, the staff organize a wedding reception at the store, while her American uncle generously offers them a house as a gift. However, just as they prepare to head to the church, the best man brings unsettling news, prompting Mr. Tebbs to dress as a Greek priest and Mr. Humphries to take on the role of the groom.