According to Jim - Season 1 - Eps 11: The Bad Word
Cheryl leaves Jim in charge of their kids and some other kids who were there to play with the girls during a Bears game. The next day, one of the kids mom calls Cheryl saying her daughter dame home repeating a swearing she heard from Jim. Cheryl apologizes for him and Jim is insulted that she always automatically takes the other person's side. Cheryl apologizes, and not too later Grace repeats the exact same word. Jim decides to teach her not to repeat it by making her say it non stop until she can't say it again. It works. 5 days later, at Ruby's ballet presentation, she slips, falls and says the word, unmasking Jim's guilt.
About According to Jim

Title: According to Jim
First Air Date: 2001-10-03
Last Air Date: 2009-06-02
Status: Canceled
Rating: 6.5/10 (from 344 votes)
Language: EN
Seasons: 9
Total Episodes: 182
Network: ABC
Genres: Comedy
Production Companies: Unknown
Synopsis
According to Jim is an American sitcom television series starring Jim Belushi in the title role as a suburban father of three children. It originally ran on ABC from October 1, 2001 to June 2, 2009.
Cast

Jim Belushi
Jim

Courtney Thorne-Smith
Cheryl

Larry Joe Campbell
Andy

Taylor Atelian
Ruby

Billi Bruno
Gracie

Conner Rayburn
Kyle