If you are going to be in London for a business or pleasure trip, you should take the time to go see a show. To find really great London show deals, check out the Official London Theatre online. This site will help you find all of the information on any show you are looking for. They also have a link to find any specials on the shows of the moment.
If you know ahead of time you are going to be in the area and you know the dates, and you know what your schedule will be, they also have listings of up coming shows. You can review the lists of show previews to find the one you are looking for
There are a wide variety of shows and entertainment available. Wheather you are looking for comedy or the ballet or anything in between. You are sure to find a show to enjoy while you are in London.