Question: did dee and mac meet on the show

Answer: Yes, Before the first season of It's Always Sunny in Philadelphia went into production, McElhenney hired actress Kaitlin Olson to play the role of Dee Reynolds. He became romantically interested in Olson ``around season 2'' of the series, believing her to be the funniest woman in show business. They were married in California on September 27, 2008.