Everybody Loves Raymond - Season 9 - Eps 15: Pat's Secret
Robert discovers Pat smoking and she pleads for him not to tell anyone. When Amy later smells smoke on Robert, she tells everyone that he has been smoking. When Pat doesn't tell the truth, Robert ends up being yelled at. The next day, he tells Ray and Debra the truth, but it doesn't take long for the two to blurt out the secret in front of everyone, which leads to many more secrets being revealed.
About Everybody Loves Raymond

Title: Everybody Loves Raymond
First Air Date: 1996-09-13
Last Air Date: 2005-05-16
Status: Ended
Rating: 6.809/10 (from 586 votes)
Language: EN
Seasons: 10
Total Episodes: 210
Network: CBS
Genres: Comedy
Production Companies: Worldwide Pants, Talk Productions, Where's Lunch, HBO Independent Productions
Synopsis
Ray Barone is a successful sportswriter living on Long Island with his wife Debra, daughter Ally, and twin sons, Geoffrey and Michael. That's the good news. The bad news? Ray's meddling parents, Frank and Marie, live directly across the street and embrace the motto "Su casa es mi casa," infiltrating their son's home to an extent unparalleled in television history.
Cast

Ray Romano
Ray Barone

Patricia Heaton
Debra Barone

Doris Roberts
Marie Barone

Peter Boyle
Frank Barone

Brad Garrett
Robert Barone

Madylin Sweeten
Ally Barone

Sawyer Sweeten
Geoffrey Barone

Sullivan Sweeten
Michael Barone

Monica Horan
Amy MacDougall-Barone