For how many seasons did the series in which Courtney Thorne-Smith played Lyndsey McElroy run ?
Courtney Thorne-Smith:  She is best known for her roles as Alison Parker on "Melrose Place", Georgia Thomas on "Ally McBeal", Cheryl in "According to Jim", and her recurring role on "Two and a Half Men" as Lyndsey McElroy. Two and a Half Men: Two and a Half Men is an American television sitcom that originally aired on CBS for twelve seasons from September 22, 2003 to February 19, 2015.
i don't know