Lorelai: (Sing-song voice)The Love Boat.
Luke: I have no plans to propose.
Lorelai: You don't now but after you've had dinner at Captain Stubing's table, and Isaac's served you up a couple of mojitos...
The Love Boat was a TV show on from 1977 to 1986. People went on cruises where the crew, including Captain Stubing (played by Gavin MacLeod) and Isaac the bartender (Ted Lange), often helped the passengers fall in love.