What is the title of this movie/show?

Hi,

A number of years ago I watched a movie/show where three ( I think) aliens had to emergency land on Earth. I think it was set in the 1950's. There were two males and one female and all looked like humans. I think the female alien got a job in a bar or restaurant. They rented an apartment and got jobs, the whole bit. i can't remember the ending. Does any one know what movie or show I'm talking about?

Thanks,

Gary