Moonlighting - Season 2 - Eps 10: Twas the Episode Before Christmas
Ms. Dipesto finds a baby left in her apartment by a woman named Mary fleeing from the hit men who killed her husband, and Dave and Maddie quarrel over using the agency phones as a "Santa hot line."
About Moonlighting

Title: Moonlighting
First Air Date: 1985-03-03
Last Air Date: 1989-05-14
Status: Ended
Rating: 7.511/10 (from 354 votes)
Language: EN
Seasons: 6
Total Episodes: 66
Network: ABC
Genres: Comedy, Drama, Mystery, Crime
Production Companies: Picturemaker Productions, ABC Circle Films
Synopsis
After being duped and going bankrupt, model Maddie is convinced by David to become a partner in a detective agency. Together they solve various cases, while getting comfortable with each other.
Cast

Cybill Shepherd
Maddie Hayes

Bruce Willis
David Addison

Allyce Beasley
Agnes DiPesto

Curtis Armstrong
Herbert Viola