Jack of All Trades is the fourth episode of the fifth season. It was released on 24 October 2008.
Charlie and Don's fates hang in the balance as the team tracks a white-collar criminal through Los Angeles. An agent in the twilight of his career could hold the key. Meanwhile, Alan finds out that one of his old planning projects may disappear with a new development by the city.
The original saying is completed with the phrase, "Master of none", implying a skillset spread too thinly to be of great utility. Today, however, it is often used to denote someone who can turn their hand to practically anything (especially DIY skills) with at least competence.