Frasier: Season 4, Episode 9
Dad Loves Sherry, the Boys Just Whine (7 Jan. 1997)
TV Episode - - Comedy
Maureen, Martin's policewoman girlfriend, breaks up with him. Martin is delighted, and takes up with Sherry, a barmaid at McGinty's. Frasier and Niles can't stand the woman, but neither has the guts to say so.